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Free Developer Tools & APIs tools: 237 (2026)

237 tools in the Developer Tools & APIs category are marked as free, sorted by rating by default.

237 matching tools
Top ratedNewestName A–ZSee all Developer Tools & APIs tools
Fleak AI WorkflowsFleak AI Workflows is a serverless API builder that allows users to create and manage AI-driven applications effortlessly. It supports custom workflows, integrates with existing services, and enhances operational efficiency through automation without extensive coding knowledge.fleak.aiFreeFlojoy StudioFlojoy is an open-source, no-code AI platform for hardware testing & simulation with 400+ supported instruments. It excels in test automation for modern enterprises, integrates seamlessly with test fixtures, and provides a cloud-based data analysis for efficient component evaluation through its Python interface.flojoy.aiFreeFluxPictureFluxPicture generates high‑resolution images and videos up to 2.0 MP across multiple aspect ratios using a 12‑billion‑parameter flow transformer. It offers web, API, and open‑weight variants, enabling designers and developers to create precise, style‑flexible visuals quickly.fluxpicture.comFreeFoldererFolderer is an AI code‑generation platform that integrates with GitHub, automatically committing code that matches existing style and best practices. Developers can request, iterate, and deploy components for frameworks like React and Next.js while maintaining a clean commit history.folderer.comFreefurhatrobotics.comFurhat is a social robotics platform offering a Realtime API, SDK and FurhatAI Creator for building conversational agents: live interaction streaming, custom model integration, desktop virtual robot for testing, and rapid prototyping with LLM-based templates.furhatrobotics.comFreeGameGen-OGameGen-X AI generates immersive open-world game environments, characters, and events using a specialized dataset of curated gaming videos. It allows developers to create diverse and interactive gameplay experiences across multiple genres efficiently.gamegen-ai.comFreeGobiGobi is a wearable AI glasses platform capturing egocentric audio, video, and motion with on-device processing and Ambient AI that generates real-time insights. SENSE⓪ offers SDK/APIs for live multimodal data; SENSE① summarizes context for hands-free productivity.joingobi.comFreeGrapixAIGrapixAI provides game developers and operators with procedural content generation and dynamic NPC behavior, enabling automated content pipelines, tunable difficulty and pacing, in-game event triggers, analytics on player reactions, and AI-generated clips for social sharing.grapixai.comFreegriddoGriddo is a SaaS headless CMS for education that centralizes multi-site content, landing and event pages, offers no-code drag-and-drop building with reusable modules, role-based workflows, AI-assisted tagging/SEO/translations, serverless edge rendering and APIs.griddo.ioFreeHeritCoinHeritcoin is a coin identification app that uses scanning technology to help users assess the authenticity, grade, and value of coins and banknotes. It features an extensive currency database and tools for creating private collections and wishlists.heritcoin.comFreeHeyCLIHeyCLI converts natural language into Linux shell commands, letting users type simple descriptions instead of memorizing syntax. A preview is available on GitHub for testing and feedback, with email updates for new releases.heycli.comFreehrflow.aiHrFlow.ai is an API‑first platform that consolidates talent data, uses AI modules (parsing, tagging, embedding, searching, scoring, upskilling) to turn HR documents into structured insights, and offers 200+ connectors, real‑time webhooks, and SDKs for quick integration.hrflow.aiFreeHyperMinkHyperMink AI is an open‑source, privacy‑centric platform offering a modular Node.js inference server, Inferenceable, powered by llama.cpp/llamafile. It supports local model deployment, plug‑in extensions, and community contributions via GitHub for developers.hypermink.comFreehypi.appHypi is a low-code backend as a service that combines SQL familiarity with NoSQL scalability, enabling developers to create applications efficiently. It leverages AI for database management and supports data-driven actions, facilitating streamlined application development.hypi.appFreeiNCSAI ListDiscover the top AI companies of 2024 and explore a vast AI database with Incsai AI tool. Delve into different AI sectors and industries spanning various countries. Stay informed on the latest AI trends and insights effortlessly.incsai.comFreeInnic DataInnic is a cross‑platform database manager for MySQL, PostgreSQL, SQLite, and DuckDB. It includes an editor with syntax highlighting, AI suggestions, direct data editing, CSV/JSON/Excel import, CSV or SQL export, dark mode, and no data collection.innicdata.comFreeInstaRoastsInstaroasts is an AI platform for generating and exploring humorous roasts of popular Instagram personalities. It allows users to interact with trending content, customize themes, and roast profiles multiple times for a personalized experience.instaroasts.comFreeJazzberryJazzberry is an AI-driven bug detection tool that analyzes code repositories in a secure environment, identifying vulnerabilities like SQL injection and authentication bypasses. It prioritizes data security with enterprise-grade measures and provides efficient, categorized bug identification.jazzberry.aiFreeJina.aiJina AI provides AI-powered search solutions for enterprise and RAG systems, offering multimodal multilingual embeddings, neural reranking, and zero-shot classification. It enhances search relevance, supports content segmentation, and integrates with applications via APIs for advanced information retrieval.jina.aiFreeJS2TSJS2TS converts JavaScript to TypeScript with a single button click, adding type annotations while preserving functionality. It offers quick examples and supports JSON‑to‑TypeScript, CSS‑to‑JSON, and CSS‑to‑Tailwind conversions for developers, teams, and code maintainers.js2ts.comFreeK8sGPTK8sGPT is an AI‑driven Kubernetes troubleshooting assistant that analyzes cluster state, logs, and events, anonymizes data, and can auto‑remediate issues. It exposes Kubernetes operations via an MCP server for integration, and offers local diagnostics and CLI access.k8sgpt.aiFreeKushoAIKushoAI automates API contract tests from OpenAPI or Postman, continuously monitors contract drift, and updates suites. It runs real‑time security scans, covers API, database, and UI layers, and self‑heals tests as code evolves, providing release risk scores for ship decisions.kusho.aiFreeleads.frLeads.fr is a French AI platform specializing in lead generation and qualification for businesses of all sizes. With a focus on quality and compliance, it offers highly qualified leads through AI-powered tools and real-time API connectivity.leads.frFreeLeo.AILeo AI is an AI platform for mechanical engineering teams that integrates with PLM systems. It retrieves legacy data, cross‑checks with a million+ trusted sources, and offers part search, stress analysis, material selection, cited references, and reduces design errors.getleo.aiFree

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