AI Developer Tools
Explore 56 curated AI Developer Tools AI tools on WithAI.Top. Compare standout products by pricing model, use case, and core capabilities.
AI Developer Tools is evolving fast. This category page on WithAI.Top is designed to help users compare the leading tools, understand common capabilities, and find the best fit for different workflows.
Featured Platforms
SkillsMP
SkillsMP is an independent, 100 percent free marketplace for agent skills, the SKILL.md-based packages that teach AI assistants like Claude, Codex, and ChatGPT specific tasks. It indexes over 2.8 million public SKILL.md files from GitHub for keyword, occupation, or field search, so developers can compare structures and learn patterns for their own skills. A free API and MCP server enable programmatic search.
You
You.com is a web search and research API platform built for AI agents and developers. It offers Web Search, Contents, Answer, Research, and Finance Research APIs with fresh, accurate results and grounded, cited answers. Free tier with 100 queries per day and $100 in free credits, with pay-as-you-go pricing from $1 per 1k pages.
Explore Directory
56 tools
Novita AI
Novita AI is an AI-native cloud platform that gives developers access to 200+ models through a single API, on-demand GPU cloud instances, and an agent sandbox. It suits AI engineers, startups, and enterprises that want to run LLMs, image, video, and audio models without managing infrastructure.
Factory
Factory is an agent-native platform that automates software delivery using autonomous AI agents called Droids. Droids handle coding, bug fixing, testing, and production incidents across desktop, CLI, and SDK. With cloud background agents, usage dashboards, and enterprise controls such as SSO, audit logging, and data residency, Factory serves individual developers through large engineering organizations.
Chutes
Chutes is a decentralized, open-source serverless AI compute platform built on Bittensor, powering trillions of tokens per month. It serves SOTA open models over an OpenAI-compatible API with confidential TEE compute, per-token pricing with no subscription, private GPU deployments from $1.80/hour, and payment from a Bittensor wallet in TAO. New frontier models appear minutes after release.
Blackbox
Blackbox is a high-trust inference platform for enterprises that run open-weight frontier models. It offers Enterprise Inference with single-tenant, end-to-end encrypted GPU capacity, and a Blackbox Router connecting teams to 300+ hosted models with zero data retention. Agents API, VS Code extension and CLI share one token balance. Pricing is commit-based with published per-model rates and no platform fee.
Cognee
Cognee is an open-source memory platform for AI agents with 30,000 GitHub stars. It captures context, converts it into graph memory, and lets agents recall it across sessions, starting locally and scaling on Cognee Cloud. It works with Claude Code, Codex, MCP, and OpenClaw, with a free tier at $0 per month plus usage-based pricing. Cognee suits developers and teams building persistent memory into agentic applications.
Devin
Devin is an AI software engineer built by Cognition that plans, codes, debugs, and ships software tasks autonomously. It combines Devin Desktop for local work, cloud agents powered by the SWE 1.7 model, Tab completions, and inline edits across major IDEs. Plans range from a free tier to Pro at $20 per month, Max at $200, and Teams with centralized billing.
Otty
Otty is a native, GPU-accelerated terminal app for macOS designed for developers who use AI coding agents. It combines a fast, beautiful terminal with first-class affordances for Claude Code, Codex, and OpenCode, including agent status, live previews of agent edits, and parallel agent task monitoring. All offline usage is free with no account required, and Windows and Linux support is on the way.
MuAPI
MuAPI is a unified generative AI API platform offering 500+ models for image, video, audio, and language generation through a single API. It charges per generation with no monthly subscription, gives new users free testing credits, and claims average savings of about 30% versus direct provider APIs. Developers use it for apps, workflows, agents, and white-label studios.
Replit
Replit is an AI development platform that turns ideas into deployed apps. Its Agent writes production-ready code from natural language prompts, evolves projects across sessions, and handles hosting, databases, authentication, and monitoring out of the box. Teams and individuals use it for prototyping, internal tools, and full-stack applications, with free and paid plans including the Replit Agent.
AgentsKit
AgentsKit is a one-time-purchase toolkit that turns Claude Code into a team of 89 specialist agents, 103 pre-built skills, and 181 slash commands spanning engineering and marketing. Install with a single npx command into your project's .claude/ folder, pick individual agents, and get lifetime updates. Built for solo developers who want to plan, build, test, ship, and market products without hiring.
Orca
Orca is an open-source Agent Development Environment that lets developers run Claude Code, Codex, OpenCode, and other AI coding agents side by side in isolated worktrees. It includes Ghostty-inspired terminals, a built-in file editor, git tracking, a fleet workflow for automating and reviewing AI output, and mobile companions for iOS and Android. It is MIT-licensed, backed by Y Combinator, and free, with an enterprise tier for teams.
Jina AI
Jina AI is a Berlin-based AI infrastructure company providing multimodal embedding, reranking, and classification APIs plus the Reader API, which converts any URL into clean, LLM-friendly Markdown. Its models power search, RAG, and agent systems at companies including Salesforce, Cloudflare, and Databricks. Every new API key includes 10 million free tokens, and usage beyond that is metered pay-as-you-go.
Quilter
Quilter is a physics-driven AI platform that automates PCB placement and routing for electronics design teams. It generates dozens or hundreds of candidate board layouts, validates each trace against physics and fabrication rules, and returns files in native ECAD formats. Teams use it to compress board bring-up from weeks to days without training on their proprietary data.
Reactor
Reactor is a full-stack infrastructure platform that enables developers to build and deploy real-time world model applications. It provides a unified SDK and API for frontier models like LingBot World 2, Helios, and SANA-Streaming, with globally distributed GPUs and sub-50ms streaming latency. Reactor handles the complexity of GPU infrastructure so developers can focus on creating interactive generative experiences for gaming, media, robotics, and simulation.
JavaScript Tools
JSTools.Space is a free, privacy-first developer utility platform featuring 80+ browser-based tools. Format JSON, HTML, CSS, XML, and SQL; generate passwords, API keys, UUIDs, JWT secrets, and nonces; encode/decode Base64 for text, images, audio, and files; edit Markdown and export to HTML, PDF, Word, Jira, Slack, Notion, Confluence; convert timestamps and time zones; validate YAML and XML; and much more. All processing stays in your browser — no accounts, no uploads, no ads.
MasterGo
MasterGo is a collaborative design platform for digital interface production, widely used by Chinese product, design, and engineering teams. MasterGo AI generates UI from natural language or reference images, applies enterprise design systems, converts designs into production React, Vue, and mini-program code, and connects AI coding agents to the canvas through MCP. A free Startup edition is available with team and enterprise plans per seat.
Composio
Composio is a developer platform that connects AI agents to 1,000+ external tools and applications with just-in-time tool calls, secure delegated auth, sandboxed execution, and parallel processing. It provides SDKs, a CLI, an MCP gateway, and enterprise governance for building production-ready agents. Free tier includes 100k tool calls per month.
Claude
Claude is Anthropic's AI assistant that helps with writing, analysis, coding, research, and everyday questions through natural conversation. It powers chat on web and mobile, the Claude Code developer tool, and agentic features like Cowork, with free, Pro, Max, and Team plans plus API access for developers and enterprises.
APIMart
APIMart is a unified AI API gateway providing access to 500+ models through a single OpenAI-compatible API. It covers chat, image, video, and audio models including GPT-5, Claude, Sora 2, and Veo, with pay-as-you-go credits, health-aware routing, and savings of up to 70% for production teams.
Inworld AI
Inworld AI provides realtime AI infrastructure for consumer-facing applications, including first-party TTS-2 and Flash text-to-speech, speech-to-text, and a router covering 220+ LLM models. It offers credit-based pricing with a free On-Demand tier and voice cloning, voice design, and realtime API access. The platform supports voice cloning, workspace management, and open-source developer projects.
QuantPad
QuantPad is a cloud workspace for quantitative traders with built-in institutional market data, Python sandboxes, and an AI research agent that writes and backtests strategies. It supports PineScript, NinjaScript, PowerLanguage, and EasyLanguage, includes a prop firm simulator, and connects to Claude Code, Codex, and Cursor via MCP.