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Office, notes, and personal productivity
Start here for documents, personal information management, and everyday planning. These tools do different jobs, so a note app should not be treated as a full office suite or project tracker.
| # | Project | Consider it for |
|---|---|---|
| 1 | LibreOffice | Desktop documents, spreadsheets, and presentations |
| 2 | ONLYOFFICE | Office documents and collaborative editing |
| 3 | Collabora Online | Browser-based office editing, often alongside a self-hosted platform |
| 4 | CryptPad | Online documents, spreadsheets, and collaborative workspaces |
| 5 | Joplin | Notes and notebooks |
| 6 | Logseq | Outlines, linked notes, and personal knowledge management |
| 7 | AppFlowy | Documents, databases, and workspace-style organization |
| 8 | Vikunja | Tasks and personal or team planning |
| 9 | Standard Notes | Private note-taking |
| 10 | Nextcloud | Files, calendars, contacts, and collaboration in a self-hostable platform |
Project management and team work
These projects can cover tasks, issue tracking, roadmaps, or documentation. Check whether your team depends on a specific workflow—such as sprint planning, custom fields, or automation—before importing a live project.
| # | Project | Consider it for |
|---|---|---|
| 11 | OpenProject | Project planning, task tracking, and team coordination |
| 12 | Taiga | Agile project management |
| 13 | Plane | Issues, projects, and product planning |
| 14 | Wekan | Kanban boards |
| 15 | Kanboard | Simple Kanban task management |
| 16 | Redmine | Issue tracking and project management |
| 17 | Leantime | Project planning and task management |
| 18 | Focalboard | Boards and project tracking; check current maintenance before choosing |
| 19 | Forgejo | Self-hosted code collaboration and project issue tracking |
| 20 | Documize | Team documentation and internal knowledge bases |
Chat, meetings, and communication
Communication tools vary in account model, federation, hosting, and encryption. Decide whether you need public channels, private team chat, voice calls, or a service your organization operates itself.
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| # | Project | Consider it for |
|---|---|---|
| 21 | Element | Matrix-based messaging and team collaboration |
| 22 | Zulip | Topic-organized team chat |
| 23 | Mattermost | Team messaging, including self-managed deployments |
| 24 | Rocket.Chat | Team messaging and collaboration |
| 25 | Jitsi Meet | Video meetings |
| 26 | Mumble | Low-latency voice chat |
| 27 | Prosody | Operating an XMPP messaging server |
| 28 | Conversations | XMPP messaging on Android |
| 29 | Element Call | Audio and video calls in the Matrix ecosystem |
| 30 | Delta Chat | Messaging through email infrastructure |
Design, diagrams, and publishing
For creative work, compare file compatibility and export formats as carefully as features. A tool that opens a format may not preserve every effect, font, or collaborative workflow.
| # | Project | Consider it for |
|---|---|---|
| 31 | GIMP | Raster image editing |
| 32 | Krita | Digital painting and illustration |
| 33 | Inkscape | Vector illustration and SVG graphics |
| 34 | Penpot | Interface design and prototyping |
| 35 | Excalidraw | Diagrams, sketches, and wireframes |
| 36 | draw.io / diagrams.net | Flowcharts and technical diagrams |
| 37 | Blender | 3D modeling, animation, and rendering |
| 38 | Scribus | Desktop publishing and page layout |
| 39 | darktable | RAW photography workflows |
| 40 | Shotcut | Video editing |
Websites, analytics, and customer tools
Analytics and customer platforms handle sensitive data. Compare data collection, retention, access controls, integrations, and hosting responsibilities—not just dashboards or feature lists.
| # | Project | Consider it for |
|---|---|---|
| 41 | Matomo | Web analytics |
| 42 | Plausible Analytics | Website traffic analytics |
| 43 | Umami | Lightweight website analytics |
| 44 | PostHog | Product analytics and feature management |
| 45 | WordPress | Web publishing and content management |
| 46 | Ghost | Publishing and newsletters |
| 47 | Drupal | Content management for structured websites |
| 48 | Strapi | Headless content management |
| 49 | Directus | Content and data management on SQL databases |
| 50 | SuiteCRM | Customer relationship management |
Software development and data work
Developer tools are rarely interchangeable on name alone. Check repository compatibility, CI integrations, extension support, language tooling, and whether the project’s license applies to the edition you plan to use.
| # | Project | Consider it for |
|---|---|---|
| 51 | GitLab Community Edition | Git hosting and software development workflows |
| 52 | Gitea | Lightweight self-hosted Git collaboration |
| 53 | Forgejo | Community-led Git hosting and collaboration |
| 54 | VSCodium | Code editing based on the VS Code source tree |
| 55 | Vim | Terminal-based text editing |
| 56 | Neovim | Extensible terminal-based code editing |
| 57 | Eclipse IDE | Integrated development environments and language tooling |
| 58 | Apache NetBeans | Java and other application development |
| 59 | JupyterLab | Interactive notebooks and data exploration |
| 60 | Metabase | Business intelligence and database exploration |
AI, local models, and automation
Some projects in this category are interfaces or infrastructure rather than models themselves. A local interface does not make every connected model local: check where inference runs and what data is sent to any remote API.
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| # | Project | Consider it for |
|---|---|---|
| 61 | Ollama | Running supported open models locally |
| 62 | Open WebUI | A self-hosted interface for local or API-backed models |
| 63 | LocalAI | Serving AI models through compatible APIs |
| 64 | llama.cpp | Running supported language models across different hardware |
| 65 | vLLM | Serving language models for higher-throughput workloads |
| 66 | AnythingLLM | Working with documents and language models |
| 67 | Flowise | Building visual workflows for AI applications |
| 68 | n8n | Workflow automation and integrations |
| 69 | Node-RED | Visual automation and event-driven integrations |
| 70 | Home Assistant | Home automation and device integrations |
Media, photos, and games
Media libraries can involve large collections, mobile backups, codecs, and hardware acceleration. Confirm supported devices and formats, storage needs, and backup behavior before moving an archive or replacing a daily-use app.
| # | Project | Consider it for |
|---|---|---|
| 71 | Immich | Self-hosted photo and video management |
| 72 | Jellyfin | Personal media streaming |
| 73 | Kodi | Media-center playback and library management |
| 74 | VLC | Playing a broad range of media formats |
| 75 | Audacity | Audio editing and recording |
| 76 | Ardour | Digital audio workstation workflows |
| 77 | OBS Studio | Live streaming and screen recording |
| 78 | HandBrake | Video transcoding |
| 79 | Godot | 2D and 3D game development |
| 80 | OpenRCT2 | Open-source reimplementation of a classic theme-park game; original game assets may be required |
Browsers, email, and personal devices
Browser and email choices affect extensions, sync, account services, and compatibility with sites or organizations. “Open-source browser” does not necessarily mean every bundled service or every part of a vendor’s distribution is open source.
| # | Project | Consider it for |
|---|---|---|
| 81 | Mozilla Firefox | Everyday web browsing |
| 82 | Chromium | Chromium-based web browsing |
| 83 | Tor Browser | Browsing through the Tor network |
| 84 | Mullvad Browser | Privacy-oriented web browsing |
| 85 | Thunderbird | Desktop email, calendars, and contacts |
| 86 | K-9 Mail | Email on Android |
| 87 | FairEmail | Email on Android |
| 88 | F-Droid | Discovering and installing Android apps from an open-source app repository |
| 89 | Syncthing | Peer-to-peer file synchronization |
| 90 | RustDesk | Remote desktop, with self-hosted server options |
Servers, security, and infrastructure
Infrastructure projects may replace a hosted service only if someone takes responsibility for setup, updates, backups, monitoring, and security. Self-hosting is an option for some tools, not a requirement for every open-source alternative.
| # | Project | Consider it for |
|---|---|---|
| 91 | Vaultwarden | A self-hosted password-manager-compatible server; check client compatibility and security needs |
| 92 | KeePassXC | Locally managed password vaults |
| 93 | Bitwarden | Password management, with deployment and edition details to verify |
| 94 | OpenVPN | Virtual private network infrastructure |
| 95 | WireGuard | Modern VPN connectivity |
| 96 | AdGuard Home | Network-level DNS filtering |
| 97 | Pi-hole | Network-wide DNS-based blocking |
| 98 | Proxmox VE | Virtual machines and containers on a server |
| 99 | TrueNAS | Network-attached storage management |
| 100 | Immich | Self-hosted photo and video management; included here as a server-hosted use case |
How to choose an alternative that will actually work
Use the list to identify candidates, then compare each against the workflow and constraints that matter in your case. Directory listings can help surface possibilities, but they do not establish a complete ranking, product parity, or that a project’s terms and capabilities remain unchanged.
Best Value
- Write down the must-haves. List the tasks, collaboration features, integrations, import/export formats, and accessibility or platform requirements you rely on today.
- Check the project and edition. Read the current license and documentation for the exact app, edition, and components you would deploy. A project can offer open-source software, paid hosted service, or both; source availability alone does not establish that a product is open source.
- Choose a deployment model. Determine whether you will use a hosted service, install an app locally, or operate a server. For self-hosting, identify who will maintain updates, backups, access controls, and recovery.
- Test the migration path. Check whether the old tool can export the data you need, whether the alternative can import it, and what may not transfer—such as comments, permissions, automations, or history.
- Run a small pilot. Try a representative project or a copy of non-sensitive data. Check the important workflows, collaboration, performance on your devices, and export from the candidate before making a full switch.
- Estimate total cost and effort. Include hosting, storage, support, administration, training, and the time needed to maintain or migrate the system. A no-cost download does not by itself mean a lower total cost.
What the examples do—and do not—establish
Directories cover many software categories and map familiar products such as Jira, Notion, Slack, Linear, and Google Analytics to possible alternatives. A curated list updated September 29, 2026, also names Ollama, Open WebUI, Immich, RustDesk, Godot, and Excalidraw as examples across local AI, self-hosted services, remote desktop, games, and diagrams. These listings are useful starting points, not independent product evaluations. Confirm current project details in the project’s own documentation before committing to a replacement.
Quick Recap
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