AI research company behind ChatGPT and the GPT models, with APIs for text, reasoning, image, speech and voice
Generative AIPay per use
Explore developer tools
698 tools across 21 categories, reviewed by hand. Search, or browse the sections below.
- 698 tools
- 21 categories
- 3.9M combined GitHub stars, synced 31 Oct 2026
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Build a Support Agent from your product docs. hiy.ai answers with the source attached, admits gaps, and hands unanswered questions to your team.
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Staff picks
Entries flagged by hand while reviewing the catalog.
The AI community's collaborative platform for machine learning models and datasets
AI/ML ToolsFreemium168kstars on GitHub
AI safety company that builds the Claude family of models, available through the Claude API
Generative AIPay per use
Open-source generative AI company democratizing access to AI technology
Generative AIFreemium27kstars on GitHub
Anthropic's AI assistant for web, desktop and mobile, with Claude Code for software development
Generative AIFreemium
Google's family of multimodal AI models, and the Gemini app built on them
Generative AIFreemium
Most starred
Ranked by GitHub stars, synced from the repos at build time.
Free platform for learning web development and programming
Learning PlatformsFree458kstars on GitHub
Progressive JavaScript framework for building user interfaces
FrameworksOpen Source212kstars on GitHub
Ollama is the easiest way to automate your work using open models, while keeping your data safe.
AI/ML Tools185kstars on GitHub
The AI community's collaborative platform for machine learning models and datasets
AI/ML ToolsFreemium168kstars on GitHub
Dify is the platform for production-ready agentic workflows. Build agents, knowledge pipelines, models, and tools on one canvas, deployable on Cloud, in your VPC, or self-hosted.
AI Agents & Assistants160kstars on GitHub
Langflow is a low-code AI builder for agentic and retrieval-augmented generation (RAG) apps. Code in Python and use any LLM or vector database.
AI Agents & Assistants156kstars on GitHub
Youngest tools
Ordered by each tool's own start date, newest first — the tool's age, not when it was listed here.
AI detection that shows its work: flagged passages, the signal that decided, and a confidence range.
AI/ML ToolsFreemium
Production telemetry for AI agents, with actionable recommendations delivered where developers work.
ObservabilityUnreleased
Build a Support Agent from your product docs. hiy.ai answers with the source attached, admits gaps, and hands unanswered questions to your team.
AI Agents & AssistantsFreemium
Continuously improve AI agents with agent observability, evaluation, tracing, and experimentation.
AI/ML Tools
With AssemblyAI's industry-leading Speech AI models, transcribe speech to text and extract insights from your voice data.
AI/ML Tools
Serve and scale open-source and custom AI models on the fastest, most reliable inference platform.
AI/ML Tools
Ship quality agents at scale. Braintrust is the AI observability platform for tracing production, running evals, and catching regressions before they reach users.
AI/ML Tools
Browse by category
Every tool sits in exactly one category, so there is a single place to look for it.
DevOps
70 tools
Open-source container orchestration platform for automating deployment and management
DevOpsOpen Source129kstars on GitHub
Open-source automation server for building CI/CD pipelines
DevOpsOpen Source27kstars on GitHub
Open-source analytics and interactive visualization platform
ObservabilityFreemium78kstars on GitHub
Open-source monitoring system with time series database
ObservabilityOpen Source67kstars on GitHub
Airbyte is the open-source data integration platform: ELT pipelines into any warehouse, a context layer for AI agents, and 600+ connectors behind both.
Data & AnalyticsSource on GitHub
From analytics to feedback to code, Amplitude brings AI into every step of building self-improving products. Start free with 2M events per month.
Data & Analytics
Platform created by the community to programmatically author, schedule and monitor workflows.
Data & AnalyticsSource on GitHub
Recent Flink blogs Apache Flink Agents 0.3.1 Release Announcement July 25, 2026 - Wenjin Xie. The Apache Flink Community is pleased to announce the first bug fix release of the Flink Agents 0.3 series. This release includes 5 bug fixes, Flink 2.3 distribution support, and installer … Continue reading Introducing Flink's Native S3 FileSystem: Built for Performance, Designed for Production June 26, 2026 - Gabor Somogyi. Samrat Deb. Apache Flink relies on the underlying filesystem for much of its work: reading and writing application data, materializing streaming sinks, and storing checkpoints and savepoints for recovery.
Data & AnalyticsSource on GitHub
Open-source Firebase alternative with PostgreSQL
Cloud InfrastructureFreemium114kstars on GitHub
Platform for frontend frameworks and static sites
Cloud InfrastructureFreemium16kstars on GitHub
Comprehensive cloud computing platform and services
Cloud InfrastructurePay per use
Distributed search and analytics engine built on Apache Lucene
DatabasesFreemium78kstars on GitHub
In-memory data store used as database, cache, and message broker
DatabasesOpen Source77kstars on GitHub
Advanced open-source relational database with powerful features
DatabasesOpen Source23kstars on GitHub
Developer security platform for finding and fixing vulnerabilities
SecurityFreemium6kstars on GitHub
Protect passwords and secrets, manage app access, and secure AI tools with 1Password. Easy to adopt from growing teams to enterprise.
Security
Detect, pentest, and block security threats across your entire stack - from one unified platform.
Security
- ReactJavaScript library for building user interfaces
- Vue.jsProgressive JavaScript framework for building user interfaces
- Next.jsFull-stack React framework for production
- AngularPlatform for building mobile and desktop web applications
- Actix WebActix Web is a powerful, pragmatic, and extremely fast web framework for Rust
APIs
38 tools
- HoppscotchHelps you create requests faster, saving precious time on development.
- BrunoBruno is the Git-native API client for REST, GraphQL, gRPC and Websocket. A…
- gRPCA high-performance, open source universal RPC framework
- KongFrom APIs to AI, Kong is the fabric of modern connectivity. Centralize LLM…
- InsomniaCross-platform REST client and API design tool
- OllamaOllama is the easiest way to automate your work using open models, while…
- Hugging FaceThe AI community's collaborative platform for machine learning models and…
- PyTorchPyTorch Foundation is the deep learning community home for the open source…
- vLLMHigh-throughput and memory-efficient inference and serving engine for Large…
- LiteLLMPut your full AI stack behind one key. Track and cap LLM spend, route to the…
- StripeComplete payments infrastructure for online businesses
- AdyenRun payments, manage your data, and offer financial products in one platform…
- AlpacaAlpaca's easy to use APIs allow developers and businesses to trade algorithms…
- Alpha VantageAlpha Vantage offers free stock APIs in JSON and CSV formats for realtime and…
- AnrokAnrok automates sales tax and VAT compliance across your financial stack, so…
- freeCodeCampFree platform for learning web development and programming
- CourseraOnline learning platform offering courses from top universities and companies
- Khan AcademyFree online education platform for learners of all ages
- Boot.devLearn to code from scratch with hands-on lessons, a structured curriculum, and…
- CodecademyInteractive platform for learning programming and technical skills
- Stability AIOpen-source generative AI company democratizing access to AI technology
- AnthropicAI safety company that builds the Claude family of models, available through…
- ClaudeAnthropic's AI assistant for web, desktop and mobile, with Claude Code for…
- Google GeminiGoogle's family of multimodal AI models, and the Gemini app built on them
- MidjourneyAI-powered image generation tool for creating stunning artwork
- Builder.ioOne codebase for engineers, designers, PMs, and marketers. Everyone works from…
- ButterCMSButterCMS is a headless CMS trusted by SaaS, eCommerce, and enterprise teams…
- ContentfulContentful lets you create content that customers trust and agents understand…
- ContentstackContentstack is the creator of the industry’s first Agentic Experience…
- CosmicThe AI-native headless CMS for fast-moving teams. AI agents build features…
- ActivepiecesActivepieces is the best way to build a self-driven AI culture across HR…
- Airtable500,000+ brands use Airtable to enable real-time collaboration, automate…
- AppsmithStop grappling with data, scouring for the perfect React library, and coding…
- BaserowDiscover Baserow, the open-source no-code platform for building databases and…
- BubbleBuild with AI when you want speed, edit visually when you want precision…
- AsanaSupercharge your team with AI that gets work done.
- BasecampTrusted by millions, Basecamp puts everything you need to get work done in one…
- Cal.comA fully customizable scheduling software for individuals, businesses taking…
- CalendlyCalendly is the modern scheduling platform that makes “finding time” a breeze…
- ClickUpOur mission is to make the world more productive. To do this, we built the…
Design
20 tools
- AffinityPowerful, precise, and free forever. Discover Affinity — the next generation…
- Axure RPAll-in-one software design tool for creating prototypes, specifications, and…
- BalsamiqWireframes and prototypes without the friction. Balsamiq is the fast…
- CanvaCanva is a free-to-use online graphic design tool. Use it to create social…
- CoolorsGenerate or browse beautiful color combinations for your designs.
- AppiumThe Appium automation project documentation
- ApplitoolsDETERMINISTIC AI BY DESIGN Trust the quality of your UI at every stage of the…
- BrowserStackInstant access to 3500+ browsers and real iOS and Android devices for cross…
- ChromaticChromatic catches visual, interaction, and accessibility issues before they…
- CodecovShip high-quality code & spend less time debugging. Improve developer…
- AntoraAn Asciidoctor documentation toolchain that helps technical teams create…
- ArchbeeBuild beautiful knowledge portals that are easy to navigate, search, share and…
- AsciidoctorA comprehensive and user-friendly publishing toolchain for the AsciiDoc…
- BookStackBookStack is a simple, open-source, self-hosted, easy-to-use platform for…
- Document360Start building intelligent documentation today with AI search, AI chatbot, and…
- ForgejoForgejo is a self-hosted lightweight software forge. Easy to install and low…
- ForkFork - a fast and friendly git client for Mac and Windows
- Git LFSGit Large File Storage (LFS) replaces large files such as audio samples…
- GiteaGitea - Git with a cup of tea! Painless self-hosted all-in-one software…
- GitHub DesktopGitHub is where people build software. More than 150 million people use GitHub…
- DifyDify is the platform for production-ready agentic workflows. Build agents…
- LangflowLangflow is a low-code AI builder for agentic and retrieval-augmented…
- LangChainLangChain provides the engineering platform and open source frameworks…
- Mem0Mem0 enables AI agents & apps to continuously learn from past user…
- LlamaIndexLlamaParse is the world's best agentic OCR for processing complex documents…
- .NET MAUI.NET MAUI is a framework used to build native, cross-platform desktop and…
- AdaptyThe all-in-one service for in-app subscriptions. Develop, optimize and grow…
- Android StudioAndroid Studio provides app builders with an integrated development…
- CapacitorBuild iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript
- Emerge ToolsExperience the future of mobile development. Join top companies like DoorDash…