Developer Tools
AI tools for developer tools: Agents & frameworks, APIs, DevOps, Testing.
21119 tools, ranked by editorial picks and quality score. Unverified entries are labelled.
- 201
Gemma 4 31B Instruct is Google DeepMind's 30.7B dense multimodal model supporting text and image input with text output. Features a 256K token context window, configurable thinking/reasoning mode, nat Context: 262,144 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 202
Gemma 4 31B Instruct is Google DeepMind's 30.7B dense multimodal model supporting text and image input with text output. Features a 256K token context window, configurable thinking/reasoning mode, nat Context: 262,144 tokens (OpenRouter, 2026-10-15).
FreeAI APIs & LLMs - 203
30 second duration clips are priced at $0.04 per clip. Lyria 3 is Google's family of music generation models, available through the Gemini API. With Lyria 3, you can generate... Context: 1,048,576 tokens (OpenRouter, 2026-10-15).
FreeAI APIs & LLMs - 204
Full-length songs are priced at $0.08 per song. Lyria 3 is Google's family of music generation models, available through the Gemini API. With Lyria 3, you can generate high-quality, 48kHz... Context: 1,048,576 tokens (OpenRouter, 2026-10-15).
FreeAI APIs & LLMs - 205
Gemini 2.5 Flash Image, a.k.a. "Nano Banana," is now generally available. It is a state of the art image generation model with contextual understanding. It is capable of image generation,... Context: 32,768 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 206
Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines... Context: 65,536 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 207
Gemini 3.1 Flash Image, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines advanced... Context: 131,072 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 208
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is Google's fastest, most cost-efficient Gemini image model, built for high-velocity developer pipelines and rapid-fire visual exploration. It delivers Context: 65,536 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 209
Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro. It improves product recontextualization,... Context: 65,536 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 210
Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reasoning, real-world gr Context: 65,536 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 211
Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reasoning, real-world gr Context: 131,072 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 212
Gorilla: Training and Evaluating LLMs for Function Calls (Tool Calls)
FreeDeveloper Tools - 213
A GPU cluster manager for high-performance AI model serving (vLLM, SGLang) and on-demand SSH-accessible GPU instances.
FreeAI APIs & LLMs - 214
Modular Python framework for AI agents and workflows with chain-of-thought reasoning, tools, and memory.
FreeDeveloper Tools - 215
Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.
FreeDeveloper Tools - 216
HarnessRouter Community Edition: the self-hosted, Apache-2.0 edition of the unified interface for agent harnesses. Run Codex, Claude Code, Hermes, PI, DSH, and more through one API, with sessions, streaming, files, cancellation, and failure handling. Implements the Unified Harness Protocol (UHP), an
FreeCoding - 217
Curso para aprender el lenguaje de programación Python desde cero y para principiantes. 100 clases, 44 horas en vídeo, código, proyectos y grupo de chat. Fundamentos, frontend, backend, testing, IA...
FreeDeveloper Tools - 218
Open-source pipeline for rewriting AI-generated text into natural human prose. Need it in your app? Try the Lynote Humanizer API → lynote.ai/ai-humanizer-api
FreeDeveloper Tools - 219
Open source software that helps you create and deploy high-frequency crypto trading bots
FreeDeveloper Tools - 220
Granite-4.0-H-Micro is a 3B parameter from the Granite 4 family of models. These models are the latest in a series of models released by IBM. They are fine-tuned for long... Context: 131,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 221
Granite 4.2 8B is a dense reasoning model from IBM. It is suited for mathematics, code generation, multilingual dialogue, and agentic workflows that need multi-step reasoning. It supports full, low-ef Context: 131,072 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 222
II-Agent: a new open-source framework to build and deploy intelligent agents
FreeDeveloper Tools - 223
Effortlessly compose, extend, and observe every service in real-time for the first time ever.
FreeDeveloper Tools - 224
Mercury 2 is an extremely fast reasoning LLM, and the first reasoning diffusion LLM (dLLM). Instead of generating tokens sequentially, Mercury 2 produces and refines multiple tokens in parallel, achie Context: 128,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 225
Mercury 2.5 is the fastest reasoning LLM, and the latest diffusion LLM (dLLM) from Inception. Instead of generating tokens sequentially, Mercury 2.5 produces and refines multiple tokens in parallel, a Context: 260,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 226
Mercury 3 is a diffusion-based language model from Inception, and the lab's most capable model to date. It is suited for agentic workflows and real-time applications where latency compounds, such... Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 227
Swap GPT for any LLM by changing a single line of code. Xinference lets you run open-source, speech, and multimodal models on cloud, on-prem, or your laptop — all through one unified, production-ready inference API.
FreeVoice & Audio - 228
Schematron V2 Small is a 3B-parameter HTML-to-JSON extraction model from Inference.net. It prioritizes extraction quality for complex schemas and long pages. Extraction instructions must be supplied t Context: 128,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 229
Schematron V2 Turbo is a 3B-parameter HTML-to-JSON extraction model from Inference.net. It prioritizes throughput for high-volume extraction workloads. Extraction instructions must be supplied through Context: 128,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 230
🦋 An Infographic Generation and Rendering Framework, bring words to life with AI!
FreeDeveloper Tools - 231
Testing and evaluation platform to chat, inspect, and debug MCP servers, MCP apps, and ChatGPT apps.
FreeDeveloper Tools - 232
The first AI agent that builds permissionless integrations through reverse engineering platforms' internal APIs.
FreeDeveloper Tools - 233
IntentKit is an open-source, self-hosted cloud agent cluster that manages a collaborative team of AI agents for you.
FreeDeveloper Tools - 234
Repair malformed JSON from LLMs, APIs, logs, and user input in Python.
FreeDeveloper Tools - 235
Julep — durable, composable AI agents. Flows that crash and resume, retry safely, and explain every step.
FreeDeveloper Tools - 236
Local-first AI job intelligence workbench for scraping roles, ranking fit, and generating tailored application materials.
FreeDeveloper Tools - 237
Klavis AI: MCP integration platforms that let AI agents use tools reliably at any scale
FreeDeveloper Tools - 238
Koog is a JVM (Java and Kotlin) framework for building predictable, fault-tolerant and enterprise-ready AI agents across all platforms – from backend services to Android and iOS, JVM, and even in-browser environments. Koog is based on our AI products expertise and provides proven solutions for compl
FreeCoding - 239
Standardized Distributed Generative and Predictive AI Inference Platform for Scalable, Multi-Framework Deployment on Kubernetes
FreeDeveloper Tools - 240
The container platform tailored for Kubernetes multi-cloud, datacenter, and edge management ⎈ 🖥 ☁️
FreeDeveloper Tools