Guides, comparisons, and insights about open-source alternatives — migration tips, licensing deep dives, and community picks.
Self-host Rocket.Chat for enterprise team messaging in 2026. MIT license, ~39K stars — channels, omnichannel (live chat, email), marketplace, federation.
Self-host Roundcube in 2026. GPL 3.0, ~5K stars, PHP — the leading open source webmail client. Docker setup, plugins (CardDAV, 2FA, Enigma PGP), skins, and.
Self-host Seafile in 2026. AGPL 3.0, ~12K stars, Python/C — fastest self-hosted Dropbox alternative with per-library E2E encryption. Docker setup now.
Self-host SearXNG as a private search engine in 2026. Aggregate results from Google, Bing, DuckDuckGo, and 70+ engines without being tracked — complete.
Self-host Semaphore in 2026. MIT license, ~10K stars, Go — web UI for running Ansible playbooks with scheduling, inventory management, team access, and.
Self-host Shiori for bookmark management in 2026. MIT license, ~9K stars, Go — Pocket/Pinboard alternative with offline archiving, full-text search, browser.
Self-host Snikket for private XMPP messaging in 2026. Apache 2.0, Prosody-based — encrypted group chats, voice/video calls, iOS and Android apps here.
Self-host Stalwart in 2026. AGPL 3.0, ~6K stars, Rust — modern all-in-one email server with SMTP, IMAP, JMAP, and a built-in web admin. Faster and simpler.
Self-host Stirling PDF for PDF manipulation in 2026. GPL 3.0, ~45K stars — merge, split, compress, OCR, sign, convert, rotate PDFs. Replace Adobe Acrobat and.
Self-host Stirling PDF in 2026. MIT license, ~45K stars, Java — merge, split, compress, convert, watermark, and OCR PDFs. Adobe Acrobat alternative for.
Self-host Syncthing for peer-to-peer file synchronization in 2026. MPL 2.0, ~63K stars, Go — sync files between devices without a server. No cloud now.
Self-host Tandoor Recipes in 2026. MIT license, ~5K stars, Python/Vue — recipe manager with nutrition tracking, meal planning, shopping list generation, and.
Complete guide to self-hosting Teable, the modern open source Airtable alternative. Docker setup, PostgreSQL backend, real-time collaboration, automation.
Deploy Twenty CRM on your own server with Docker. The modern open source CRM built with a developer-first philosophy — replaces HubSpot, Salesforce, and.
Self-host Umami in 2026. MIT license, ~21K stars, Next.js — simple, privacy-respecting web analytics with no cookies. Real-time dashboard, multiple sites.
Self-host Uptime Kuma for uptime monitoring in 2026. MIT license, ~60K stars — HTTP/TCP/DNS monitors, status pages, 90+ notification channels for 2026.
Step-by-step: infrastructure setup, data migration, backups, and security for 15+ common SaaS replacements. Used by 300+ developers.
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