Free Agile Planning & Developer Tools
A fast toolkit for sprint planning, live estimation rooms, developer utilities, engineering checklists, and AI coding agent workflows.
Live Room
Scrum Poker
Hidden votes, shared consensus reveal, and story point averages for fast sprint estimation.
Start Estimation Room
Tree Inspector
JSON Studio & Tree
Format, validate, and explore JSON in an interactive tree with search and path copying.
Open JSON Studio
8 Checklists
Engineering Checklists
Interactive self-audits for PR authors, reviewers, DB migrations, security reviews, and pre-launch.
Browse Checklists
Coding Agents
Agent Skills & Workflows
Reusable SKILL.md playbooks and guardrails for Cursor, Claude Code, Cline, and Antigravity.
Explore Agent Skills