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Find the right tools for what you're building.

Compare 137 developer and AI tools on live GitHub stars, npm downloads, pricing and release activity, plus 24 agent skill packs. Every fact is checked against the official source.

TryPolar vs PaddleConvex vs SupabaseDatabasesAuth

Popular decisions

Side-by-side comparisons that open with a short answer.

All comparisons

PolarvsPaddle

Polar and Paddle both act as merchant of record, so they collect and remit sales tax and VAT on your behalf.

Payments

ConvexvsSupabase

Supabase is an open source platform built around a dedicated Postgres database, with auth, storage and auto-generated APIs, so you work in SQL.

Databases

MercuryvsStripe

Mercury is a business bank account for startups, with free checking and savings, cards and treasury tools.

Payments

Headless UIvsshadcn/ui

Headless UI is a small, focused set of unstyled, accessible components from the Tailwind CSS team, installed as a normal npm package for React or Vue.

UI Libraries

ClerkvsAuth0

Clerk is a hosted authentication service with prebuilt UI components, billing by monthly retained users per app since February 2026, with a free tier covering 50,000 users.

Auth

PrismavsDrizzle ORM

Prisma is a type-safe ORM from Prisma Data, Inc., paired with an optional managed platform, Prisma Postgres, that has its own free and paid tiers.

ORM

VercelvsNetlify

Vercel is the platform built by the creators of Next.js, pricing Pro at $20 a month per deploying seat with $20 of included usage credit.

Hosting

NeonvsSupabase

Neon is a serverless Postgres platform, now owned by Databricks, focused on scale-to-zero compute and instant, copy-on-write database branching.

Databases

Browse by category

All categories
DatabasesStore and manage your data with the best databases.10AuthSecure your app with top-tier auth providers.10HostingDeploy your projects to the world.10UI LibrariesBuild beautiful interfaces faster.12AI & MLAccelerate development with AI assistants and tools.24No-CodeBuild without writing code.20LLMsLarge Language Models for your apps.29PaymentsHandle transactions and subscriptions.18EmailSend transactional and marketing emails at scale.2ORMManage your database with type-safe queries.2

Agent skills

Skill packs for Claude Code, Codex and Cursor, each checked by hand.

All skills
SuperpowersA skills pack and development method that makes a coding agent design, plan, test and review before it ships code.15 skills295kMatt Pocock's skillsSmall, composable engineering skills for planning, specs, tickets, test-driven development and code review.37 skills276kPonytailMakes a coding agent write only the code a task needs, reaching for built-in and existing options first.6 skills155kgstackA set of 55 slash-command skills that gives Claude Code a sprint process from planning to review, QA and shipping.60 skills135kUI UX Pro MaxA design skill that gives a coding agent a searchable database of UI styles, palettes, fonts and UX rules.7 skills133kCavemanA skill that makes a coding agent answer in short caveman-style prose, plus an optional proxy that cuts what it reads.22 skills110k

Latest releases

New versions from tracked tools, pulled from GitHub.

Trending
OpenAI APIv7.28.01 day agoClaude Codev2.1.2891 day agoClaude Codev2.1.2883 days agoLangChainlangchain-text-splitters==1.1.33 days agoPolar@polar-sh/[email protected]3 days agoPolar@polar-sh/[email protected]3 days ago

How ScratchDB works

Rankings use live numbers, not payment. Sponsored placements are labelled.

About ScratchDB

Live numbers

GitHub stars, npm downloads and releases refresh every day from the public APIs.

Checked facts

Pricing and features come from official sources, each with the date it was checked.

A short answer first

Comparisons open with who should pick what, then show the evidence.

ScratchDB: find the right developer tools for what you're building