Umamo is an open-source cross-platform rigging editor for 2D puppet animation, with first class pen and touch support, built as a drop-in replacement for the Live2D Cubism Editor.
The GTM co-founder you don't have. Open-source GTM Agent Skills for technical AI/dev-tool founders building alone: positioning, first users, launch, pricing. Built from real dev-tool GTM experience, sharpened by Frankl & Czakon. MIT.
A fast coding-agent harness in Go. Tool-use loop, bubbletea TUI, provider-routable models with live catalog discovery, MCP support, background subagents. One binary, no runtime, built for open-source models.