2,445 tools
Free planAI agents & automation
RapidMCP converts existing REST APIs into Model Context Protocol servers without code changes. Teams connect an API specification and expose tools to AI agents with hosted or self-hosted deployment options.
Free planCoding & development
RatedWithAI scans public web pages for WCAG 2.1 AA accessibility issues using axe-core in a real browser. It returns weighted scores, violation details, shareable reports, and paid plans add monitoring, exports, and agency-focused compliance tooling.
Free planCoding & development
Raw Query lets teams chat with Postgres, MySQL, and MariaDB databases in plain English to query, export, insert, and update records with confirmations. It targets developers and business users who need ad hoc data access without building internal tools.
Free planCoding & development
Ray is an open-source AI compute engine for distributed Python workloads such as training, batch inference, hyperparameter tuning, and serving. Anyscale, the company behind Ray, offers hosted Ray with credits, but Ray itself is the framework orchestrating clusters on any accelerator.
Free planCoding & development
rConfig is network configuration management software for multi-vendor backup, compliance reporting, and change automation. The homepage and pricing page describe Core open source capabilities plus Starter, Standard, and Enterprise or MSP editions sized by managed device counts.
Free planCoding & development
reachat is an open-source React library of UI building blocks for LLM and chat interfaces. Teams install the npm package, customize themes and media support, and connect any backend or model without vendor lock-in.
No free planCoding & development
React Flow is an open-source React library for building node-based editors, workflow UIs, and diagrams. The official reactflow.dev site documents the MIT library, examples, and React Flow Pro subscriptions that fund maintenance with pro examples, support, and attribution removal.
Free tier unknownCoding & development
React GPT Designer is a lightweight web app for designing React components with OpenAI ChatGPT. The interface centers on creating new projects that generate component ideas and code through a GPT-assisted designer workflow hosted on Vercel.
Free planCoding & development
React Native is Meta’s open-source framework for building native Android, iOS, and other platform apps with React. The official site documents getting started guides, components, APIs, architecture, and release notes for teams shipping cross-platform mobile and desktop experiences.
Free tier unknownCoding & development
Readable is an IDE extension that automatically generates comprehensive, customizable comments for source code so developers spend less time documenting manually. The public landing page focuses on AI-generated code comments delivered through a browser-based app shell.
Free planCoding & development
ReadMe helps teams publish interactive API and developer documentation with customizable themes, metrics, and AI-assisted authoring. Plans scale from a free Starter tier to Pro and Enterprise options with branching, reviews, and access controls.
Free planCoding & development
ReAPI is a collaborative API design, documentation, debugging, and testing workspace with ChatGPT-assisted workflows. Teams sync endpoints, components, and test nodes with separate editor and reader seats.
Free planCoding & development
Reasonix is an open-source coding agent aimed at long, complex software tasks. It ships as a single Go binary under MIT license with desktop Studio, CLI/TUI, browser Web Studio, and editor integration over ACP, emphasizing plan mode, per-tool permissions, workspace sandboxing, and per-turn checkpoints you can audit or revert.
Free tier unknownCoding & development
Reason Machines builds Reason Agent, an autonomous software engineering agent that connects to GitHub, works through issues, and ships evidence-backed pull requests. The product spans Mac, terminal, web, and Slack experiences with a downloadable desktop app.
Free to startMeetings, notes & transcription
Recall.ai provides APIs and SDKs to capture meeting transcripts, recordings, and metadata from Zoom, Google Meet, Microsoft Teams, and other platforms. Products include a Meeting Bot API, Desktop Recording SDK, Calendar API, and Mobile Recording SDK.
Free planProductivity (email, docs, PDFs)
ReceiptUp provides a receipt OCR API and subscription scans for extracting structured data from receipt images with live and queued processing endpoints documented for developers.
Free trialCoding & development
Recurse ML analyzes codebases to catch bugs, breaking changes, and review issues before they reach production. It integrates with coding assistants such as Claude Code and Cursor to cut review time while maintaining library-aware suggestions.
Free to startDesign, logos & websites
Redesignr is an AI website redesign tool that rebuilds an existing site or brief into multiple visual directions you can regenerate and edit. It exports clean HTML or Next.js code and includes thousands of section templates plus an AI design assistant for iterative changes.
Free planCoding & development
redirect.pizza is a managed domain redirect service with automatic HTTPS, analytics, regex rules, and API or MCP integrations. Teams point parked or migrated domains to new destinations without running their own redirect servers.
Free planAI models & APIs
Redis is a real-time data platform used for caching, streaming, vector search, session storage, and agent-focused offerings such as Redis Agent Memory and context tooling. Redis Cloud packages range from free dev tiers to Essentials and Pro deployments with enterprise SLAs.
Free tier unknownAI agents & automation
Redouble AI builds Silverlake, a Java-native agentic operating system for enterprises that already run on Java infrastructure. The site positions the platform for defining agents in roughly 30 lines of code while handling orchestration, scaling, permissions, observability, and production guardrails for long-running agent workloads.
Free planProductivity (email, docs, PDFs)
Reducto is an agentic document platform for AI teams, offering Parse, Extract, Edit, Split, and related APIs to turn PDFs and office files into structured data. The site highlights enterprise customers, Studio access, and the r-1 parsing model marketed at about one cent per page in preview.
Free planCoding & development
REEZN is a workflow product where AI drafts feature blueprints that teams review against standards before code becomes verified pull requests. It targets engineering orgs that want faster AI-assisted delivery without skipping human approval gates.
Free to startCoding & development
Refact.ai is an open-source autonomous coding agent for IDE workflows with chat, autocompletion, and tool-using agents that connect to GitHub, databases, and CI systems. Teams can self-host for data control while the vendor winds down its cloud offering.
Showing 2,016 of 2,445 tools
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