Open source tools worth checking: April 9, 2026

A short open source tools roundup for Workollab readers. These are the tools worth testing, borrowing from, or keeping on your radar.

Open Source Tools

• Sessy (OpenAlternative Tools)
  Track SES deliveries, bounces, opens and clicks in a self-hosted dashboard with real-time search, analytics and reputation monitoring.
• Minutes (OpenAlternative Tools)
  Open-source conversation memory tool with local transcription via whisper.cpp, structured markdown output, and Claude integration. Free forever.
• Temps (OpenAlternative Tools)
  Self-hosted deployment platform combining analytics, error tracking, and monitoring. Replace Vercel + Sentry + analytics tools with one binary on your VPS.