Discover / Reports
Insights
Explore reports drawn from the catalog and community data, covering licensing, recorded pricing, shutdowns, and shared subscription spending. Each report provides its own scope and context, helping you understand what the available numbers show and where the underlying data remains limited.
licensing
Open source vs paid developer tools
The open-source share of the catalog, by category and pricing model — including what open-source tools charge for their hosted plans.
flagship report
The state of AI developer tools
The whole catalog in one read — licensing, pricing, category density, and shutdowns, recomputed from live data.
pricing over time
AI coding subscription price index
What AI coding subscriptions cost over time, from a recorded change log — not a snapshot of today.
collecting — needs a month of recorded price history
pricing moves
Which tools changed pricing recently?
Every recorded price move, newest first: which plan changed, from what, to what.
shutdowns
What shut down, and what replaced it
Shutdowns by year and category, and how often a dead tool actually left a replacement behind.
community data
The most stacked developer tools
What developers actually run, counted by distinct developer across published stacks.
scores
Scores compared across the rubric
Published rubric scores across overall, speed, privacy and DX — with the evidence status behind each one.
interactive
What does your AI stack cost?
Pick your tools and plans, see the monthly and annual bill from published prices.
interactive
Build a stack that fits a budget
Set a monthly ceiling and see which combination of tools fits under it.
community data
How much do developers spend on AI tools?
Anonymized monthly AI subscription spend from developers tracking their real tool bills.
collecting — unlocks at 20 tracking members (3 so far)
rankings
Tool Leaderboard
Published review scores ranked across overall, speed, privacy, and developer experience on one sortable table.
414 scored reviews
open data
Open Dataset
The full tool catalog, reviews, and comparisons as machine-readable JSON under CC-BY 4.0.
tools.json · reviews.json · comparisons.json