Alternatives to Citadel.org - Similar Sites & Competitors
citadel.org
Citadel.org offers a powerful, flexible open source platform for team collaboration, messaging, and knowledge sharing. Download and use it for free.
Collaborate and communicate with open source tools
Citadel.org is an open source platform designed to help teams communicate, collaborate, and share information efficiently. Whether you're looking to set up secure messaging, create shared calendars, or manage group tasks, Citadel packs these features into a single, flexible solution.
You can download the software for free and access helpful documentation, screenshots, and a supportive community. It's well-suited for organizations that want control over their collaboration tools and value transparency in their software. If you need a customizable, feature-rich platform to keep your team connected, Citadel.org is worth a look.
Alternatives to Citadel.org
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Notion is an all-in-one workspace where you and your team can organize notes, docs, wikis, and projects together in one convenient place.
Notion lets you organize notes, docs, wikis, and projects in one connected workspace for you and your team, making it easy to collaborate and stay organized.
Organize projects, documents, and wikis in one connected workspace for you and your team to collaborate and manage tasks more efficiently.
FuseBase offers AI-powered portals to centralize info, manage projects, and streamline team and client collaboration—all in one easy-to-use platform.
LumApps is a modern intranet platform that connects employees, streamlines internal communication, and boosts workplace engagement and productivity.
PBworks is an online workspace for teams to collaborate, manage projects, share files, and capture knowledge securely from any device.
Notion brings your notes, docs, wikis, and projects together in one connected workspace so you and your team can collaborate, organize, and get things done.
Combine notes, docs, tasks, and wikis in a single workspace. Notion helps you and your team organize projects and collaborate easily, all in one place.
Organize notes, docs, and projects in one connected workspace. Work solo or with your team to manage tasks, share knowledge, and collaborate easily.
Organize notes, docs, and projects in one connected workspace for teams and individuals, with easy collaboration and flexible tools for daily work.
Notion is an all-in-one workspace where you and your team can organize notes, docs, wikis, and projects to stay connected and productive.
Notion brings your team’s notes, docs, and projects together in a single workspace, helping you organize, collaborate, and get things done efficiently.
Organize notes, docs, and projects in one connected workspace for teams and individuals. Collaborate, plan, and manage everything in Notion.
Notion offers an all-in-one workspace to organize wikis, docs, and projects, making it easy for teams to collaborate and manage work in one place.
Organize notes, docs, projects, and team knowledge in one connected workspace. Notion helps you and your team stay on track and work together easily.
Manage notes, docs, wikis, and projects in one connected workspace for personal or team productivity. Organize, collaborate, and stay on track easily.
Notion brings together notes, docs, wikis, and project tools in one connected workspace to help you and your team stay organized and work together easily.
Notion is an all-in-one workspace where you and your team can collaborate on notes, docs, wikis, and projects to stay organized in one place.
Notion is an all-in-one workspace where you and your team can write docs, manage projects, and build a wiki, all in one connected platform.
Work, organize, and collaborate in one place with tools for notes, docs, wikis, and projects—designed for teams and individuals to stay connected.
Notion is an all-in-one workspace where you and your team can write, plan, collaborate, and organize docs, wikis, and projects in one place.
Notion brings notes, docs, tasks, and wikis together in one connected workspace, helping teams and individuals organize projects and information easily.
Organize notes, wikis, and projects in one place with Notion. Collaborate with your team, manage docs, and keep everything connected easily.
Organize docs, wikis, and projects in one workspace. Notion lets you and your team manage notes, collaborate, and stay productive together.
Slab helps teams organize, share, and access important knowledge in one place, making it easy to collaborate and keep everyone on the same page.
Confluence De Marque lets you and your team share knowledge, collaborate on files and ideas, and organize projects together. (French interface)
Create, edit, and share notes in markdown with real-time collaboration. Organize knowledge and work together easily with flexible permissions.
Acollab is an all-in-one French online collaboration tool with file sharing, shared calendar, project management, and team workspace features.
Notion is an all-in-one workspace where you and your team can organize notes, docs, wikis, and projects in one connected place for better collaboration.
Notion is an all-in-one workspace where you and your team can organize docs, manage projects, and collaborate in one connected platform.
Worldwide Citadel.org Alternatives
LINAGORA offers open source software and SaaS solutions for businesses, with expert consulting, migration, and support for digital transformation. (French site)
Yuque offers cloud-based knowledge base and document tools for teams and individuals, making it easy to manage notes, collaborate, and organize info in Chinese.
openCode connects the German public sector with open source software, letting you find, use, and contribute to digital tools for public administration.
Slite is an AI-powered knowledge base that helps teams quickly find and share trusted company information, create documentation, and collaborate easily.
Organize notes, docs, projects, and wikis in one connected workspace for you and your team. Manage tasks and information all in one place.
Organize notes, docs, and projects in one connected workspace. Notion helps you and your team stay on top of tasks, wikis, and collaboration.
Cosense lets you easily capture and share knowledge and experience with your team through simple writing and linking for better collaboration.
Find guides, tips, and answers about ONLYOFFICE’s cloud office tools. Explore help articles, video tutorials, and integration info for users and admins.
LINE WORKS offers business chat, email, calendar, and file sharing in a LINE-like interface, making team communication easy on both mobile and PC.
Chanty is a team chat and collaboration tool offering unlimited message history and productivity features to help teams communicate and work together easily.
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