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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
AI Icon GeneratorAI Icon Generator lets developers, designers, and content managers create custom SVG/PNG icons from a brief description, style, and palette with a single click. It supports WordPress, Shopify, and other CMSs, and offers full commercial rights.themebutler.comFreeAI Love CodeAI Love Code quickly generates responsive website templates using Tailwind CSS and Alpine.js. It outputs editable HTML, CSS, and JavaScript ready for deployment, enabling developers to prototype, customize layouts, and integrate into projects with minimal rewrite.ailovecode.comFreeAiHubMixAIHubMix is a single API gateway to major LLMs and multimodal models, enabling model selection, automatic routing, orchestration and SDKs for text, code, image, video and embedding workflows, with native search, concurrency and production-ready infrastructure.aihubmix.comFreeAIProxyAiproxy is a cloud-based tool that secures API keys through split key encryption and certificate pinning. It enables developers to manage API usage, monitor requests in real-time, and implement proactive security measures effectively.aiproxy.proFreeAiPyAipy is an open-source AI assistant that automates tasks such as code generation, contract analysis, and speech extraction. It enhances productivity for developers, legal professionals, and researchers through local deployment and Python integration.aipy.appFreeAlumniumAlumnium is an AI tool that transforms plain-text test instructions into executable code for browser testing. It supports multiple languages and frameworks, simplifying test automation while enabling precise control for software QA engineers.alumnium.aiFreeanimeBuilderAnimeBuilder is a web‑based AI that turns photos or text prompts into high‑resolution anime‑style images. No registration or data storage, making it quick and secure for designers, illustrators, developers, and hobbyists.animebuilder.comFreeanseOpenAI's advanced conversational AI, fueled by GPT-3.5-turbo, delivers fluent text conversations through sophisticated natural language processing. Adjustable max tokens, message size, and integration with Azure/Google APIs enhance deployment, while multilingual support ensures customizable user experiences.anse.appFreeapex.aiapex.ai is a comprehensive platform providing safety-certified software tools and services for autonomous systems. Its modular products enable deterministic execution, high-speed data routing, repeatable testing, and automated deployment for robotics and embedded applications.apex.aiFreeArtwoArtwo is a humanoid robotics platform that simplifies robot booking for diverse tasks. It offers a user-friendly interface, natural language instructions for deployment, and scalable solutions to meet various automation needs without requiring technical expertise.artwo.ioFreeAthina AIAthina lets teams build, test, and monitor AI features via a prompt editor and flow builder for any model. It offers dataset comparison, SQL queries, evaluation suites, human QA, code execution, observability, self‑hosted deployment, SOC‑2 compliance, and cloud integrations.athina.aiFreeAugmetaAugmeta Causal Intelligence continuously monitors funnel KPIs, identifies causal drivers, and automatically triggers corrective actions to close revenue leaks. It keeps funnel health optimal, reduces manual work, and ensures steady revenue flow with secure, scalable infrastructure.augmeta.aiFreeAutoFlowTiDB is an AI tool designed for efficient database management, featuring knowledge graph-based retrieval, serverless vector storage, foreign key support, and vector search, catering to developers and data analysts for enhanced data operations.tidb.aiFreeBackdrop BuildBackdrop Build is a free online acceleration program that helps developers and entrepreneurs launch AI, crypto, gaming, or open‑source projects within four weeks. It offers structured schedules, peer feedback, mentor access, grant/credit opportunities, and flexible weekly hours.backdropbuild.comFreeBlogTopics.netBlog Topic Search helps content creators discover underserved blog topics through a database of search trends and AI insights. Users can analyze keywords, identify content gaps, and organize a personal topic library for focused editorial planning.blogtopics.netFreeBookScribiBookscribi is an AI platform for creating non-fiction books and poetry, allowing users to generate manuscripts through topic input. It streamlines writing, editing, and formatting, and supports various languages and self-publishing platforms.bookscribi.comFreeCapitol AICapitol AI is a SOC 2‑compliant OS that converts enterprise data into decision‑grade intelligence while keeping it in‑house. It supports any model, automates reports, and integrates PDFs, databases, and APIs with granular roles and no‑code tools for rapid deployment in regulated sectors.capitol.aiFreecaptum.aiCaptum is an open‑source PyTorch library adding model interpretability for vision, text, and other modalities. It supplies ready‑made attribution algorithms, a simple API for computing attributions and diagnostics, and extensibility for new methods.captum.aiFreecirrascale.comCirrascale offers a private AI cloud that supports training and inference on AMD, Cerebras, NVIDIA, and Qualcomm accelerators. It provides zero DevOps, no data‑transfer fees, high‑bandwidth networking, and configurable multi‑GPU servers, streamlining workflows and accelerating deployment.cirrascale.comFreeCivitai greenCivitai is an open-source generative AI platform for creating models, images, videos, and posts. It features a virtual canvas for showcasing work, community challenges, and diverse artistic styles, catering to both amateur and experienced creators.civitai.greenFreeClearGPT AIClearGPT is an enterprise AI platform optimizing performance, cutting costs, and enforcing data governance. It distinguishes itself through innovative features like human feedback for continuous learning, enabling businesses to make informed decisions and innovate more efficiently.cleargpt.aiFreeclerkie.ioClerkie is a debt‑management platform that combines machine‑learning with human oversight to analyze borrower data, generate adaptive payment plans, and optimize collections. It offers multi‑currency payment support, real‑time reporting, a developer API, and robust compliance and security controls.clerkie.ioFreeCloudVerse.aiCloudVerse offers a compute economics platform that routes AI workloads by cost‑performance, enforces cost guardrails in CI/CD and IaC, throttles wasteful queries, forecasts demand for Reserved Instances, detects spend spikes, and autonomously rightsizes infrastructure across deployments, meeting ISO 27001/SOC 2 compliance.cloudverse.aiFreeCodaptSolid is an AI web app builder that generates production-ready full‑stack apps (Node.js, React, TypeScript, Docker), letting non‑technical users assemble templates (e-commerce, portfolios, CRM, scheduling) while developers edit, export, deploy, or migrate maintainable code.codapt.aiFree

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