Every product started as a tool we needed ourselves.
Open-source packages, free desktop utilities, SaaS products, and games — released, maintained, and used in our own work before anyone else's.
Agentic AI
Infrastructure and tooling built for AI agents and the people building with them — shared memory, reusable skills, and cost visibility.
hermes-memory-pgvector
A Postgres + pgvector memory provider plugin for hermes-agent — durable, semantically-searchable shared memory for a fleet of agents, with hybrid vector + full-text recall and no LLM in the hot path. Since v0.5.0 a plain pip install is enough on any hermes-agent host that resolves plugins by entry point.
agent-skills
A personal collection of agent skills for Claude Code and other LLM agents — reusable instruction sets that prime the agent so you don't re-explain the same context every session.
ai-models-pricing
Real-time cost tracking and optimization across 100+ LLM models from 10+ providers in one unified interface.
Free Utilities
Small, focused Windows apps that do one job well — free, MIT-licensed, and built because the alternatives had grown too heavy.
PDF Lite Viewer
Open a PDF. That's the whole app.
EPUB Lite Reader
A free, lightweight EPUB reader for Windows — open a book and start reading, with no sign-up and no cloud library.
SaaS Offerings
A hosted product born from our own language-learning work, available for anyone to subscribe to.
Lingua·Lab
The phonemic tutor your classroom never had room for.
A 50-minute class cannot give 25 students individual pronunciation feedback. Lingua·Lab can. It listens to spoken Italian, French, Spanish, or English and returns phoneme-level coaching in seconds. At $99/year — less than two hours with a private tutor.
Games
Calm games published to the Microsoft Store — no timers, no lives, and nothing chasing you off the board.
Sunrise Flows
Build a sequence, not a score.
Sunrise Flows is a calm strategy game played with illustrated yoga pose cards. Arrange each hand into a coherent sequence, balance preparation against recovery, and grow the landscape from Dawn to Stars — with clear, non-punitive feedback and no lives or countdowns. Includes Pose Match, an endless match-3 mode built on the same pose library. $9.99 on the Microsoft Store, with a 7-day free trial.
Bloomrise
A garden that only ever grows.
Bloomrise is a match-3 puzzle game with no timers, no lives, and no fail states — match flowers to grow a garden that keeps blooming as you play, set to a lo-fi soundtrack. Free on the Microsoft Store.
WHO REMAINS: The End of Us All
Every role opens because someone is gone.
WHO REMAINS: The End of Us All is a civilian-survival strategy and narrative simulation set in the fictional river-port city of Halden during a sixty-day political and economic collapse. The base game is free and ships the complete campaign — sixteen vacancy-driven roles, nine systemic crises, and fourteen endings. Two optional paid add-on campaigns, After the Blackout and The Empty Chair, are also available. No ads. No subscriptions. No loot boxes.
Have a Project in Mind?
If one of these tools solves a problem you have too, or you need something custom built, Green Yoga Inc is available for consulting work.
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