Deploy platforms, workspaces and open alternatives to popular SaaS. 11 projects, sorted by GitHub stars.
hoppscotch/hoppscotch
Open-source API development platform (web, desktop, CLI) for REST, GraphQL and WebSocket testing.
Says it is an open-source alternative to Postman, Insomnia (from its README)
Install: Use hoppscotch.io, desktop apps, or self-host per docs.
AppFlowy-IO/AppFlowy
AI collaborative workspace for docs, wikis and project boards that you can self-host and keep data local.
Says it is an open-source alternative to Notion (from its README)
Install: Desktop/mobile apps at appflowy.com; self-host via AppFlowy-Cloud.
toeverything/AFFiNE
Local-first workspace combining docs, whiteboards and databases, with AI features; self-hostable.
Says it is an open-source alternative to Notion, Miro (from its README)
Install: Desktop apps at affine.pro; self-host docs available.
twentyhq/twenty
Open CRM designed for AI, self-hostable and customizable.
Says it is an open-source alternative to Salesforce (from its README)
npx create-twenty-app my-app
umami-software/umami
Privacy-first, cookie-free web analytics you can self-host.
docker compose up -d
Dokploy/dokploy
Self-hostable PaaS to deploy apps and databases on your own servers with Docker.
Says it is an open-source alternative to Vercel, Netlify, Heroku (from its README)
curl -sSL https://dokploy.com/install.sh | bash
kestra-io/kestra
Event-driven orchestration and scheduling platform with YAML workflows and AI agents.
docker run --pull=always --rm -it -p 8080:8080 --user=root --name kestra -v kestra_data:/app/storage -v kestra_db:/app/data -v /var/run/docker.sock:/var/run/docker.sock -v /tmp:/tmp -e KESTRA_PLUGINS_AUTO_INSTALL_ENABLED=true kestra/kestra:latest-slim server local
docmost/docmost
Open-source collaborative wiki and documentation tool with real-time editing.
Says it is an open-source alternative to Confluence, Notion (from its README)
Install: Docker compose install per docmost.com docs.
windmill-labs/windmill
Developer platform that turns scripts into webhooks, workflows and internal UIs; self-hostable.
Says it is an open-source alternative to Retool, Temporal (from its README)
docker compose up -d
caprover/caprover
Self-hosted PaaS (Docker + nginx) with one-click apps and automatic HTTPS.
Install: Docker-based install per caprover.com docs.
formbricks/formbricks
Open-source survey and experience-management platform (in-app, website, link surveys).
Says it is an open-source alternative to Qualtrics (from its README)
Install: Docker self-host per formbricks.com docs.
Stars, licences and last-commit dates come from the GitHub REST API, fetched 17 Oct 2026. Archived repos, repos with no commit in 12 months and non-open licences are excluded. Install commands are copied from each README.