TOP 30 Volunteer opportunities for faith communities in New Jersey
230 results found
Search for local businesses, places and services near you
- United States
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
- Ukraine
- Italy
- Poland
- Germany
-
Faithful Mission Thrift Store
● ClosedFaithful Mission Thrift Store is a non-profit organization located at 2 Kanouse Road in West Milford, New Jersey. Our store offers a wide variety of gently used clothing, household items, furniture, and more at affordable prices. All proceeds from sales go towards supporting local community outreach programs and charitable initiatives. By shopping at Faithful Mission Thrift Store, you are not only finding great deals but also giving back to those in need. Thank you for your support!
2 Kanouse Rd, Newfoundland, NJ 07435, United States -
High Bridge Christian Community
● OpenHigh Bridge Christian Community is a welcoming and inclusive school located at 55 Leigh Street in Clinton, New Jersey, United States. Our institution is dedicated to providing a high-quality education in a Christian environment. We prioritize academic excellence, spiritual growth, and community service, helping students develop into well-rounded individuals. Our experienced faculty and staff are committed to nurturing each student's unique talents and abilities. Join us at High Bridge Christian Community and become part of our thriving educational community.
55 Leigh St, Clinton, NJ 08809, United States -
Pottersville Reformed Church Community House
● OpenThe Pottersville Reformed Church Community House is a welcoming and inclusive school located at 2081 Black River Road in Far Hills, New Jersey. Our institution is committed to providing a nurturing and supportive environment for students of all backgrounds. With a focus on academic excellence and character development, we strive to empower our students to reach their full potential. Join us at Pottersville Reformed Church Community House, where every child is valued and encouraged to thrive.
2081 Black River Rd, Far Hills, NJ 07979, United States -
Community Church of Ho Ho Kus
● OpenWelcome to the Community Church of Ho Ho Kus, a warm and welcoming place of worship nestled in the heart of Ho-Ho-Kus, New Jersey. Located at 400 Warren Avenue, our church is dedicated to fostering a sense of community, spiritual growth, and compassionate service. We offer a variety of worship services, community events, and programs designed to support individuals and families in their spiritual journeys. Whether you are seeking a place for quiet reflection, meaningful connections, or community involvement, you will find a home here. Join us in our mission to spread love, faith, and hope to all who enter our doors. We look forward to welcoming you to our vibrant and inclusive community.
400 Warren Avenue, Ho-Ho-Kus, New Jersey 07423, United States -
Muslim Community Center of Paramus (The Fusion)
● OpenWelcome to the Muslim Community Center of Paramus (The Fusion), a vibrant and inclusive place of worship located at 650 Pascack Road, Paramus, New Jersey. Our mosque serves as a spiritual haven and community hub for Muslims in the region, fostering a sense of unity and devotion. We are dedicated to providing a welcoming atmosphere for all individuals, regardless of their background, to come together in faith, reflection, and community engagement. At The Fusion, we offer a variety of services and programs to meet the spiritual and social needs of our community. Join us for daily prayers, Friday congregational prayers (Jumu'ah), educational classes, and community events designed to enrich the lives of our members. Our programs cater to all age groups, ensuring that everyone has the opportunity to grow and connect within our community.
650 Pascack Road, Paramus, New Jersey 07652, United States -
Bayonne Masjid and Community Center
● ClosedWelcome to Bayonne Masjid and Community Center, your spiritual sanctuary and community hub located at 109 East 24th Street, Bayonne, New Jersey. As a dedicated mosque and place of worship, we strive to provide a welcoming and inclusive environment for all members of the Muslim community and beyond. Our mission is to foster spiritual growth, promote understanding, and support the diverse needs of our community through a variety of religious services, educational programs, and community outreach initiatives. Join us for daily prayers, Friday sermons, and special religious events, or participate in our educational workshops and community activities designed to enrich the lives of individuals and families. At Bayonne Masjid and Community Center, we are committed to building a strong, harmonious community rooted in faith, compassion, and mutual respect. We look forward to welcoming you into our vibrant and supportive community.
109 East 24th Street, Bayonne, New Jersey 07002, United States -
Muslim Community Center
● OpenWelcome to the Muslim Community Center Located at 60 Prince Street, Elizabeth, New Jersey 07208, the Muslim Community Center serves as a vibrant hub for spiritual growth, community gatherings, and cultural enrichment. We are dedicated to fostering a welcoming environment for individuals and families of all backgrounds to come together in faith and fellowship.
60 Prince Street, Elizabeth, New Jersey 07208, United States -
The Salvation Army Worship & Community Center
● ClosedWelcome to The Salvation Army Worship & Community Center, located at 575 East State Street, Trenton, New Jersey. As a vibrant place of worship, we are dedicated to serving our community with compassion and faith. Our center offers a welcoming environment for individuals and families seeking spiritual growth, fellowship, and support. At The Salvation Army Worship & Community Center, we provide a variety of programs and services designed to meet both spiritual and practical needs. Join us for uplifting worship services, engaging Bible studies, and meaningful community events. Our mission is to inspire hope and transform lives through the love of God.
575 East State Street, Trenton, New Jersey 08609, United States -
Holy Faith Temple Church of God in Christ
● OpenWelcome to the Holy Faith Temple Church of God in Christ, a vibrant and welcoming place of worship located in the heart of Camden, New Jersey. Situated at 2713 River Avenue, our church is a cornerstone of the community, dedicated to fostering spiritual growth, compassion, and fellowship among all who enter our doors. At Holy Faith Temple, we offer a warm and inviting atmosphere where individuals and families can come together to worship, learn, and grow in their faith. Our services are designed to inspire and uplift, with dynamic sermons, heartfelt music, and opportunities for communal prayer. We believe in the power of faith to transform lives and are committed to supporting our congregation through meaningful worship experiences and community outreach.
2713 River Avenue, Camden, New Jersey 08105, United States -
Faith Fellowship Baptist Church
● OpenWelcome to Faith Fellowship Baptist Church, your spiritual home in the heart of Moorestown, New Jersey. Located at 16 East Main Street, our church is a vibrant community dedicated to worship, fellowship, and service. At Faith Fellowship Baptist Church, we strive to create a welcoming and inclusive atmosphere where individuals and families can grow in their faith and experience the love and grace of God. Join us for inspiring worship services, engaging Bible studies, and a variety of community events designed to strengthen your spiritual journey. Our mission is to serve God by serving others, and we offer numerous opportunities for outreach and volunteer work, allowing you to make a positive impact in Moorestown and beyond.
16 East Main Street, Moorestown, New Jersey 08057, United States -
New Beginnings Community Church
● OpenWelcome to New Beginnings Community Church, a warm and inviting place of worship located at 750 East Main Street, Moorestown, New Jersey. At New Beginnings, we believe in fostering a strong sense of community, spiritual growth, and personal transformation. Our church is a vibrant community where individuals and families from all walks of life come together to explore their faith, connect with others, and make a positive impact in the world. We offer a variety of services and programs designed to support your spiritual journey, including inspiring worship services, engaging Bible studies, and meaningful volunteer opportunities. Our welcoming congregation and dedicated leadership are committed to creating an inclusive environment where everyone feels valued and respected.
750 East Main Street, Moorestown, New Jersey 08057, United States -
Seashore Community Church
● OpenWelcome to Seashore Community Church, a warm and welcoming place of worship located at 446 Seashore Road, Cape May, New Jersey. Nestled in the heart of this charming coastal community, our church offers a peaceful sanctuary where individuals and families can come together to celebrate their faith, seek spiritual growth, and find a sense of belonging. At Seashore Community Church, we are committed to fostering an inclusive environment where everyone feels valued and loved. Our congregation is diverse and vibrant, united by a shared commitment to living out the teachings of love, compassion, and service. Whether you are a lifelong resident of Cape May or a visitor exploring the beautiful Jersey Shore, we invite you to join us for our uplifting worship services, engaging programs, and community events.
446 Seashore Road, Cape May, New Jersey 08204, United States -
St. Mary High School
● ClosedSt. Mary High School is a prestigious secondary school located at 64 Chestnut Street in Rutherford, New Jersey, United States. With a strong tradition of academic excellence and a commitment to cultivating well-rounded individuals, St. Mary High School provides students with a comprehensive education that prepares them for success in college and beyond. The school offers a diverse range of extracurricular activities, sports programs, and community service opportunities to enrich the student experience. With a dedicated faculty and a supportive community, St. Mary High School is a place where students can thrive and reach their full potential.
64 Chestnut St, Rutherford, NJ 07070, United States -
Maranatha Baptist School
● OpenMaranatha Baptist School is a reputable educational institution located at 1418 Bridgeton Millville Pike in Millville, New Jersey, United States. As a school, Maranatha Baptist School is committed to providing a quality education that is rooted in Christian values and principles. With a dedicated faculty and staff, the school offers a nurturing and supportive environment where students can grow academically, socially, and spiritually. The institution prides itself on its rigorous academic curriculum, extracurricular activities, and strong sense of community. Maranatha Baptist School is dedicated to helping students reach their full potential and prepare them for success in their future endeavors.
1418 Bridgeton Millville Pike, Millville, NJ 08332, United States -
Gloucester County Christian School
● ClosedGloucester County Christian School is a primary and secondary school located in Mantua Township, New Jersey, United States. Our institution is dedicated to assisting Christian parents in the education of their children, and we strive to admit students whose parents support our mission. Our goal is to help students grow academically, spiritually, and socially, preparing them for success in all aspects of life. With a focus on Christian values and a strong academic curriculum, Gloucester County Christian School provides a nurturing and supportive environment for students to thrive. Join us in shaping the next generation of leaders and learners at Gloucester County Christian School.
151 Golf Club Rd, Sewell, NJ 08080, United States -
Our Lady Star of the Sea Roman Catholic Church
● OpenOur Lady Star of the Sea Roman Catholic Church is a historic institution located at 525 Washington Street in Cape May, New Jersey. As a church and place of worship, it serves as a spiritual haven for the local community and visitors alike. The beautiful architecture and serene atmosphere make it a popular tourist attraction in the area. In addition to its religious services, Our Lady Star of the Sea also offers educational programs and community events, making it a vital hub for the local Catholic community. Whether you are seeking solace in prayer, interested in learning more about the Catholic faith, or simply looking to admire the beauty of the church, Our Lady Star of the Sea is a must-visit destination in Cape May.
525 Washington St, Cape May, NJ 08204, United States -
Cumberland Christian School
● ClosedCumberland Christian School is a prestigious educational institution located at 1100 West Sherman Avenue in Vineland, New Jersey, United States. As a leading school in the area, Cumberland Christian School offers a comprehensive and enriching academic program for students of all ages. With a strong emphasis on faith-based education, the school provides a nurturing and supportive environment where students can grow both academically and spiritually. The dedicated faculty and staff at Cumberland Christian School are committed to providing a high-quality education that prepares students for success in college and beyond. With a focus on character development and community service, Cumberland Christian School strives to instill values of integrity, compassion, and leadership in its students. Visit Cumberland Christian School today to learn more about the exceptional educational opportunities available.
1100 W Sherman Ave, Vineland, NJ 08360, United States -
Saint Ann School
● ClosedSaint Ann School is a prestigious primary school located at 34 Rossa Avenue in Lawrence Township, New Jersey. Our institution is dedicated to providing a top-notch education for students in a nurturing and supportive environment. With a strong focus on academic excellence and character development, we strive to prepare our students for success in their future endeavors. Our experienced and dedicated faculty members work tirelessly to ensure that each student reaches their full potential. Join us at Saint Ann School and watch your child thrive academically, socially, and emotionally.
34 Rossa Ave, Lawrence Township, NJ 08648, United States -
Lafayette Federated Church
● ClosedLafayette Federated Church is a welcoming place of worship located at 180 New Jersey 15 in Lafayette, New Jersey, United States. Our church community is dedicated to spreading love, compassion, and faith to all who enter our doors. We offer a variety of services, events, and programs to nurture spiritual growth and connection with God. Join us for a Sunday service or one of our many community outreach initiatives. We look forward to welcoming you into our church family.
180 NJ-15, Lafayette, NJ 07848, United States -
Holy Light Christian Academy
● OpenHoly Light Christian Academy is a prestigious school located at 201 Clarkson Street in Burlington, New Jersey, United States. Our institution is dedicated to providing a high-quality education grounded in Christian values. We offer a comprehensive curriculum that focuses on academic excellence, character development, and spiritual growth. Our experienced faculty members are committed to nurturing the whole child and preparing students to excel in all areas of their lives. At Holy Light Christian Academy, we strive to create a supportive and enriching learning environment where students can thrive and reach their full potential. Join us in our mission to inspire minds, shape hearts, and transform lives.
201 Clarkson St, Burlington, NJ 08016, United States -
Timothy Christian Academy
● OpenTimothy Christian Academy is a prestigious school located at 1341 Woodlane Road in Mount Holly, New Jersey, United States. Our institution is dedicated to providing a high-quality education in a nurturing and supportive environment. With a strong emphasis on academic excellence, character development, and spiritual growth, we strive to prepare our students to become responsible and successful citizens. Our experienced faculty and staff are committed to helping each student reach their full potential and achieve their goals. Join us at Timothy Christian Academy and experience the difference in education.
1341 Woodlane Rd, Mt Holly, NJ 08060, United States -
Christ Episcopal Church
● ClosedChrist Episcopal Church is a welcoming and inclusive institution located at 62 Delaware Street in Woodbury, New Jersey, United States. As a church and place of worship, we are dedicated to fostering a strong sense of community and spiritual growth among our members. In addition to our worship services, we also offer educational programs and opportunities for personal development. Join us in our mission to spread love, compassion, and understanding in the world.
62 Delaware St, Woodbury, NJ 08096, United States -
St. Augustine of Canterbury School
● ClosedSt. Augustine of Canterbury School is a prestigious educational institution located at 45 Henderson Road in South Brunswick Township, New Jersey, United States. As a school, it is dedicated to providing a high-quality education to students of all ages. With a focus on academic excellence and a nurturing environment, St. Augustine of Canterbury School is committed to helping students reach their full potential. The school offers a rigorous curriculum, dedicated teachers, and a range of extracurricular activities to enrich the educational experience. With a strong sense of community and a tradition of excellence, St. Augustine of Canterbury School is a top choice for families seeking a well-rounded education for their children.
45 Henderson Rd, Kendall Park, NJ 08824, United States -
The Salvation Army, Childcare Center, Social Services & Church
● ClosedThe Salvation Army in Morristown, New Jersey is a multi-faceted institution that offers a variety of services to the community. Our Childcare Center provides a safe and nurturing environment for children to learn and grow. Our Social Services department offers assistance to those in need, including food assistance, housing support, and counseling services. Our Church provides a place of worship and spiritual guidance for individuals and families. Located at 95 Spring Street, our institution is dedicated to serving the community and helping those in need.
95 Spring St, Morristown, NJ 07960, United States -
Lighthouse
● OpenLighthouse is a non-profit organization located on East Ramapo Avenue in Mahwah, New Jersey. Our mission is to provide guidance, support, and resources to individuals in need within the community. We offer a variety of programs and services aimed at empowering individuals to overcome challenges and achieve their goals. Whether it's through counseling, education, or outreach, Lighthouse is dedicated to being a beacon of hope for those seeking assistance. Join us in making a positive impact in the lives of others.
E Ramapo Ave, Mahwah, NJ 07430, United States -
Al Hikmah Elementary School , an IEF School
● ClosedAl Hikmah Elementary School, an IEF School, is a primary school located at 278 North 8th Street, Prospect Park, New Jersey, United States. At IEF, academic excellence is combined with Islamic teachings to prepare students for their future academic and professional careers, while also nurturing their faith. Al-Ghazaly High School, part of the same institution, boasts a 100% matriculation rate to 4-year colleges over the past 10 years, ensuring that students are well-prepared for the next phase of their lives. With over 40 extracurricular and volunteering opportunities available, students are equipped to become productive members of society. The school focuses on developing a strong Muslim identity from a young age and instilling values of success, responsibility, and community service. The mission of IEF is to cultivate civic-minded, professionally successful, and God-conscious Muslim leaders. Invest in your child's Islamic and academic education today at Al Hikmah Elementary School.
278 N 8th St, Prospect Park, NJ 07508, United States -
Van Riper Ellis Christian School
● OpenVan Riper Ellis Christian School is a prestigious educational institution located at 7-20 Bellair Avenue in Fair Lawn, New Jersey, United States. As a Christian school, we are dedicated to providing a nurturing and enriching learning environment for students of all ages. Our experienced faculty members are committed to fostering academic excellence, spiritual growth, and character development in each student. With a strong emphasis on Christian values and principles, Van Riper Ellis Christian School prepares students to succeed academically and lead purposeful lives. Join us in shaping the future leaders of tomorrow.
1606, 7-20 Bellair Ave, Fair Lawn, NJ 07410, United States -
Our Lady of Victories School
● OpenOur Lady of Victories School is a primary school located at 36 Main Street in Sayreville, New Jersey, United States. Our institution is dedicated to providing a quality education in a nurturing and supportive environment. With a focus on academic excellence and character development, we strive to help our students reach their full potential. Our dedicated staff and strong sense of community make Our Lady of Victories School a wonderful place for children to learn and grow.
36 Main St, Sayreville, NJ 08872, United States -
Manahawkin United Methodist Church
● ClosedManahawkin United Methodist Church is a welcoming and inclusive institution located at 116 Stafford Avenue in Stafford Township, New Jersey, United States. As a church, place of worship, and school, we strive to create a community of faith and support for all who come through our doors. Our mission is to spread love, kindness, and the teachings of Jesus Christ to all who seek spiritual guidance and connection. Join us in worship, fellowship, and education as we journey together in faith.
116 Stafford Ave, Manahawkin, NJ 08050, United States -
Our Saviour Lutheran Church
● OpenOur Saviour Lutheran Church is a welcoming place of worship located at 289 92nd Street in Stone Harbor, New Jersey. As a Lutheran church, we are dedicated to serving our community and spreading the message of God's love and grace. Our church offers a variety of services, programs, and events for people of all ages and backgrounds. Whether you are a long-time member or a first-time visitor, you are sure to find a warm and inviting atmosphere at Our Saviour Lutheran Church. Join us in fellowship and worship as we come together to praise and honor our Savior.
289 92nd St, Stone Harbor, NJ 08247, United States
People also searched for:
- Children clothing store
- Women clothing store
- Gadget shop
- Men clothing store
- Clothing store
- Kindergarten
- School
- Private school
- Sport school
- Children's space
- Child center
- Volunteer opportunities for faith communities in Allendale
- Volunteer opportunities for faith communities in Bayonne
- Volunteer opportunities for faith communities in Belleville
- Volunteer opportunities for faith communities in Belvidere
- Volunteer opportunities for faith communities in Bergenfield
- Volunteer opportunities for faith communities in Bordentown
- Volunteer opportunities for faith communities in Bridgeton
- Volunteer opportunities for faith communities in Bridgewater
- Volunteer opportunities for faith communities in Burlington
- Volunteer opportunities for faith communities in Camden
- Volunteer opportunities for faith communities in Cape May
- Volunteer opportunities for faith communities in Carteret
- Volunteer opportunities for faith communities in Cedar Grove
- Volunteer opportunities for faith communities in Cinnaminson
- Volunteer opportunities for faith communities in City of Orange
- Volunteer opportunities for faith communities in Clark
- Volunteer opportunities for faith communities in Cliffside Park
- Volunteer opportunities for faith communities in Clifton
- Volunteer opportunities for faith communities in Clinton
- Volunteer opportunities for faith communities in Closter
- Volunteer opportunities for faith communities in Collingswood
- Volunteer opportunities for faith communities in Cresskill
- Volunteer opportunities for faith communities in East Rutherford
- Volunteer opportunities for faith communities in Elizabeth
- Volunteer opportunities for faith communities in Englewood
- Volunteer opportunities for faith communities in Englewood Cliffs
- Volunteer opportunities for faith communities in Evesham
- Volunteer opportunities for faith communities in Ewing Township
- Volunteer opportunities for faith communities in Fair Lawn
- Volunteer opportunities for faith communities in Fairview
- Volunteer opportunities for faith communities in Flemington
- Volunteer opportunities for faith communities in Fort Lee
- Volunteer opportunities for faith communities in Franklin
- Volunteer opportunities for faith communities in Frenchtown
- Volunteer opportunities for faith communities in Garfield
- Volunteer opportunities for faith communities in Glassboro
- Volunteer opportunities for faith communities in Hackensack
- Volunteer opportunities for faith communities in Hackettstown
- Volunteer opportunities for faith communities in Harrison
- Volunteer opportunities for faith communities in Hillsborough Township
- Volunteer opportunities for faith communities in Hoboken
- Volunteer opportunities for faith communities in Jersey City
- Volunteer opportunities for faith communities in Kearny
- Volunteer opportunities for faith communities in Lawrence Township
- Volunteer opportunities for faith communities in Leonia
- Volunteer opportunities for faith communities in Linden
- Volunteer opportunities for faith communities in Livingston
- Volunteer opportunities for faith communities in Lodi
- Volunteer opportunities for faith communities in Lower Township
- Volunteer opportunities for faith communities in Mahwah
- Volunteer opportunities for faith communities in Mantua Township
- Volunteer opportunities for faith communities in Maplewood
- Volunteer opportunities for faith communities in Maywood
- Volunteer opportunities for faith communities in Millville
- Volunteer opportunities for faith communities in Montclair
- Volunteer opportunities for faith communities in Moorestown
- Volunteer opportunities for faith communities in Morristown
- Volunteer opportunities for faith communities in Mount Holly
- Volunteer opportunities for faith communities in New Milford
- Volunteer opportunities for faith communities in Newark
- Volunteer opportunities for faith communities in North Arlington
- Volunteer opportunities for faith communities in Nutley
- Volunteer opportunities for faith communities in Oradell
- Volunteer opportunities for faith communities in Palisades Park
- Volunteer opportunities for faith communities in Paramus
- Volunteer opportunities for faith communities in Park Ridge
- Volunteer opportunities for faith communities in Passaic
- Volunteer opportunities for faith communities in Paterson
- Volunteer opportunities for faith communities in Pennsville Township
- Volunteer opportunities for faith communities in Pequannock Township
- Volunteer opportunities for faith communities in Perth Amboy
- Volunteer opportunities for faith communities in Pompton Lakes
- Volunteer opportunities for faith communities in Princeton
- Volunteer opportunities for faith communities in Rahway
- Volunteer opportunities for faith communities in Ramsey
- Volunteer opportunities for faith communities in Ridgewood
- Volunteer opportunities for faith communities in Roselle
- Volunteer opportunities for faith communities in Rutherford
- Volunteer opportunities for faith communities in Salem
- Volunteer opportunities for faith communities in Sayreville
- Volunteer opportunities for faith communities in South Brunswick Township
- Volunteer opportunities for faith communities in South Orange
- Volunteer opportunities for faith communities in Springfield
- Volunteer opportunities for faith communities in Stafford Township
- Volunteer opportunities for faith communities in Swedesboro
- Volunteer opportunities for faith communities in Teaneck
- Volunteer opportunities for faith communities in Tenafly
- Volunteer opportunities for faith communities in Totowa
- Volunteer opportunities for faith communities in Trenton
- Volunteer opportunities for faith communities in Union
- Volunteer opportunities for faith communities in Union City
- Volunteer opportunities for faith communities in Verona
- Volunteer opportunities for faith communities in Vineland
- Volunteer opportunities for faith communities in Waldwick
- Volunteer opportunities for faith communities in Washington Township
- Volunteer opportunities for faith communities in Wayne
- Volunteer opportunities for faith communities in West Milford
- Volunteer opportunities for faith communities in West New York
- Volunteer opportunities for faith communities in West Orange
- Volunteer opportunities for faith communities in West Windsor Township
- Volunteer opportunities for faith communities in Woodbridge Township
- Volunteer opportunities for faith communities in Woodbury
- Volunteer opportunities for faith communities in Woodstown
- Volunteer opportunities for faith communities in Wyckoff
People also searched for:
List of local businesses, places and services in New Jersey
⭐ business help 🔍 services ☎ phones 🕒 opening times ✍️reviews 🌍 addresses, locations 📷 photos