Benchmarked directory of essential software, developer APIs, databases, and cloud infrastructure. We independently audit pricing, free-tier thresholds, and alternative ecosystems.
An AI assistant for nuanced writing, architectural analysis and complex reasoning.
Access to Claude 3.5 Sonnet with dynamic session-based rate refresh every 4 to 5 hours; no credit card required.
A general-purpose AI assistant for writing, code synthesis, research, and analysis.
Unlimited access to GPT-4o mini, capped daily access to GPT-4o, and web browsing capabilities without a subscription.
The developer platform for Git repository hosting, collaboration, and automated CI/CD.
Unlimited public and private Git repositories, 2,000 GitHub Actions compute minutes/month, and 500MB package storage.
An AI-native code editor built for pair programming, repository indexing, and multi-file edits.
14-day Pro trial with 500 fast requests; converts to free Hobby tier with 50 slow requests/month and 2,000 completion requests. (Note: Pro trial is not a permanent free plan).
Developer-first email delivery API built with modern React Email components.
3,000 emails/month free, capped at 100 emails/day; includes custom domain DKIM/SPF verification with zero credit card.
Financial infrastructure and payment processing APIs for the internet economy.
No monthly subscription fee; pure transaction-based pricing (2.9% + 30¢ per successful card charge). Free test sandbox is unlimited.
Serverless compute and edge networking deployed directly across 300+ global cities.
100,000 requests/day free with up to 10ms CPU time per request; includes unlimited bandwidth and free SSL certificates.
The frontend cloud platform for deploying and scaling Next.js and modern web apps.
100GB bandwidth/month, unlimited automatic preview deployments, and 100,000 serverless function executions/month for non-commercial projects.
An open-source Firebase alternative with PostgreSQL, Auth, Realtime, and Vector storage.
500MB PostgreSQL database, 50,000 monthly active users, 1GB file storage, and 500k Edge Function invocations; up to 2 active projects.
Serverless PostgreSQL with instant database branching, autoscaling, and bottomless storage.
0.5 GB storage, 1 project with up to 10 database branches, and shared compute; scale-to-zero when idle.
Visual automation platform for building complex, multi-step workflows and integrations.
1,000 operations/month, 2 active scenarios, and 15-minute minimum execution intervals with no expiration.
All-in-one developer platform for product analytics, session replay, and feature flags.
1,000,000 product analytics events/month and 5,000 session recordings/month permanently free; no credit card required.
An all-in-one connected workspace for wikis, documentation, projects, and roadmaps.
Unlimited pages and blocks for individual users; up to 10 guest collaborators and 5MB file upload limit.
The collaborative interface design tool for UI, UX, prototyping, and design systems.
3 collaborative Figma and FigJam files, unlimited personal drafts, and unlimited view-only collaborators.
Open-source LLM engineering platform for tracing, evaluations, prompt management, and metrics.
100% free and open-source self-hosted under MIT license; Cloud Hobby plan provides 50,000 ingested traces/month with 30-day retention.
Open-weights foundation models for private inference, fine-tuning, and on-premise AI deployments.
Completely free open weights under Meta Community License; free for research and commercial use up to 700M monthly active users.
Open-source, web-based design and prototyping tool built on open web standards (SVG & CSS).
100% free with unlimited files, unlimited team members, and unlimited projects on both Penpot Cloud and self-hosted instances.
