The best free open source tools: Content & social (2026)

Schedule your posts and track your Instagram/TikTok stats, self-hosted. The others charge per channel AND per feature: this one is genuinely free.

Replaces:Buffer,MetricoolSaves €20/month

The free native Mac app that replaces Screen Studio and CleanShot X: annotated screenshots, screen recordings, zooms that follow your mouse and nice backgrounds. Everything stays on your Mac, with no account and no subscription.

Replaces:Screen Studio,CleanShot XSaves €25/month

The open source design tool that replaces Figma: mockups, clickable prototypes, component libraries, live collaboration. The online version is free and complete, with no file counter, and you can host it on your own server.

Replaces:FigmaSaves €20/month

Your AI image and video generation platform, at home: an infinite canvas where you chain prompts, models and reference images. The app is free, you only pay for what you generate.

Replaces:Higgsfield,OpenArt,FreepikSaves €19/month

The open source design studio that does what Claude Design does: you describe, your coding agent (Claude Code, Codex, Cursor…) produces a mockup, a landing page, a dashboard, slides or a video, as real HTML, PDF, PPTX or MP4 files, on your machine. The software is free; the engine is your subscription or your API key.

Replaces:Claude DesignSaves €18/month

The open source screen recorder that does Loom's job: screen, webcam, mic, a link to share. In Studio mode the video stays on your machine and you edit it before sending it.

Replaces:LoomSaves €16/month

The grammar and spelling checker that runs on your machine, English only: Chrome, Firefox, VS Code, Obsidian extensions, without sending your text to a server. Replaces Grammarly for everything you write in English.

Replaces:Grammarly ProSaves €12/month

The links page you host yourself: one address, all your links, your colours, your stats. No subscription, no Linktree logo at the bottom, and your visitors' data stays on your server.

Replaces:Linktree,BeaconsSaves €6/month

The open source visual site builder that replaces Framer: you design your pages with the mouse, publish them on your own domain, even for free, and you can take the code and host it wherever you want.

Replaces:FramerSaves €15/month

The open source whiteboard that replaces Whimsical: diagrams, flows, wireframes in a hand drawn style, live with others. Free without an account, with no object limit or watermark, and Claude can write the diagram for you.

Replaces:WhimsicalSaves €11/month

The open source InDesign, rewritten from scratch: spreads and parent pages, threaded text, styles, tables, text wrap, and a print-ready PDF. Free, with no subscription, still in pre-alpha.

Replaces:InDesignSaves €27/month

The open source After Effects, rewritten from scratch: compositions, layers, keyframes, 306 effects, expressions, 3D, and video or Lottie export. Free, with no account, still in alpha.

Replaces:After EffectsSaves €27/month

The open source Premiere Pro, rewritten from scratch: multitrack timeline, trims, Lumetri-style grading, effects, audio mixing, captions and export. Free, with no account, still in alpha.

Replaces:Premiere ProSaves €27/month

The open source Photoshop, rewritten from scratch: layers, masks, adjustment layers, styles, type, vectors, brushes and real PSD files. Free, offline and with no account, still in alpha.

Replaces:PhotoshopSaves €27/month

The open source Illustrator, rewritten from scratch: pen, Pathfinder, Shape Builder, gradients, type, layers, and SVG, PDF and PDF-compatible .ai files. Free, with no account, still in alpha.

Replaces:IllustratorSaves €27/month

The open source video editor your coding agent drives: Claude Code cuts your footage, animates your titles and motion graphics as code, and you export in 4K without a watermark. Editing and export are free; transcription, automatic captions and generation use paid credits.

Replaces:CapCut ProSaves €24/month

The open source video editor that takes on CapCut: multitrack timeline, masks, keyframes, automatic captions, watermark free MP4 export, right in your browser. Your videos never leave your machine, and there is no account and no subscription.

Replaces:CapCut ProSaves €24/month

The open source Acrobat, rewritten from scratch: read, comment on, organize pages, combine, split, fill in forms, protect and redact PDFs. Free, with no account, still in alpha.

Replaces:Acrobat ProSaves €24/month

The open source Lightroom, rewritten from scratch: photo library, non-destructive RAW development, masks, presets, spot healing and export. Free, with no account and no cloud, still in alpha.

Replaces:LightroomSaves €15/month

THE open source video model of the moment: up to 15 seconds in 2K with voices and stereo sound generated together with the picture. ⚠️ Its licence forbids use in the European Union.

Replaces:Seedance,Hailuo,KlingSaves €13/month

The open source Canva that opens in your browser, no account, no install: text, shapes, images, vectors, crop, PNG or WebP export. Your files stay on your machine.

Replaces:Canva ProSaves €12/month