Quivr
AI / ML
Open-source second brain.
Quivr is an open-source, self-hostable second-brain tool powered by GenAI — Stan Girard's massively popular OSS project.
- Founder
- Stan Girard
- Founded
- 2023
- Team
- 1-10
- Listing
- Free (nofollow)
- Listed
- May 2026
Compare
Side-by-side comparison of two indie startups from the Startup Spotlight directory.
AI / ML
Open-source second brain.
Quivr is an open-source, self-hostable second-brain tool powered by GenAI — Stan Girard's massively popular OSS project.
AI / ML
Smarter work with AI agents powered by your internal data.
Calk AI helps fast-moving teams turn their internal knowledge into actionable AI agents. By connecting tools like Notion, Slack, HubSpot, and CRMs, Calk builds agents that can search, generate, and act using real business context — not random web data. Instead of juggling tabs or writing endless prompts, teams get instant answers, content, or actions, all grounded in their actual workflows. It's like giving every teammate a personal AI assistant that truly understands your company.