Guides, comparisons, and insights about open-source alternatives — migration tips, licensing deep dives, and community picks.
Best open source alternatives to Linear for project management in 2026. Plane (AGPL, ~31K stars), Focalboard (MIT, ~22K stars), Leantime (GPL, ~4K stars) .
Best open source Sentry alternatives for error tracking in 2026: GlitchTip, Highlight.io, and self-hosted Sentry compared. Docker setups, SDK integration.
HashiCorp changed Terraform's license to BSL in 2023. OpenTofu is the open source fork. Compare features, migration path, and which one to use in 2026.
Portainer vs Dockge for Docker management in 2026. Portainer (zlib, ~31K stars) for full enterprise features vs Dockge (MIT, ~12K stars) for minimal now.
PostgreSQL, MySQL, and MariaDB compared for self-hosted deployments in 2026. Features, performance, Docker setup, and which database to choose by use case.
Self-host Activepieces in 2026. MIT license, ~10K stars, TypeScript — open source Zapier alternative with 100+ pieces. Docker Compose setup, flow builder.
Self-host Audiobookshelf in 2026. GPL 3.0, ~7K stars — self-hosted audiobook and podcast server with iOS/Android apps, progress sync, and Audible metadata.
Self-host Baserow in 2026 — the open source Airtable alternative. Docker setup, database connections, API automation, views, field types, and team now.
Self-host Cal.com as a Calendly alternative in 2026. AGPL 3.0, ~32K stars, TypeScript/Next.js — scheduling, team booking, round-robin, Google/Outlook sync.
Self-host Changedetection.io in 2026. Apache 2.0, ~18K stars, Python — monitor any website for changes. Price tracking, product availability, content.
Set up a fully self-hosted email server with Mailu on Docker in 2026. Covers DNS configuration, SPF/DKIM/DMARC setup, Mailu vs Mailcow, and honest now.
Self-host Ghostfolio in 2026. AGPL 3.0, ~4K stars, TypeScript — privacy-first investment portfolio tracker with multi-currency support and benchmarking.
Self-host Grist in 2026. Apache 2.0, ~7K stars — Python-formula spreadsheet with relational tables, REST API, custom widgets, and access control. Full Docker.
Self-host Hanko in 2026 — the open source passkey-first authentication server. Replace Auth0 and Clerk with Docker, passkeys, WebAuthn, OAuth, and email.
Self-host Headscale as a Tailscale control server in 2026. Run your own WireGuard mesh network with Tailscale clients — complete Docker setup with ACLs.
Self-host Homepage for a self-hosted services dashboard in 2026. Apache 2.0, ~19K stars — app launcher with live service stats, Docker integration, widgets.
Step-by-step: infrastructure setup, data migration, backups, and security for 15+ common SaaS replacements. Used by 300+ developers.
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