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.
- 121
An open source library for deep learning end-to-end dialog systems and chatbots.
FreeDeveloper Tools - 122
A reliable coding agent for complex software engineering tasks.
FreeCoding - 123
This model always redirects to the latest model in the DeepSeek Flash family. Context: 1,048,576 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 124
This model always redirects to the latest model in the DeepSeek Pro family. Context: 1,048,576 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 125
DeepSeek-V3 is the latest model from the DeepSeek team, building upon the instruction following and coding abilities of the previous versions. Pre-trained on nearly 15 trillion tokens, the reported ev Context: 163,840 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 126
DeepSeek V3, a 685B-parameter, mixture-of-experts model, is the latest iteration of the flagship chat model family from the DeepSeek team. It succeeds the DeepSeek V3 mod Context: 163,840 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 127
DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase Context: 163,840 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 128
DeepSeek-V3.1 Terminus is an update to DeepSeek V3.1 that maintains the model's original capabilities while addressing issues reported by users, including language cons Context: 163,840 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 129
DeepSeek-V3.2 is a large language model designed to harmonize high computational efficiency with strong reasoning and agentic tool-use performance. It introduces DeepSeek Sparse Attention (DSA), a fin Context: 163,840 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 130
DeepSeek-V3.2-Exp is an experimental large language model released by DeepSeek as an intermediate step between V3.1 and future architectures. It introduces DeepSeek Sparse Attention (DSA), a fine-grai Context: 163,840 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 131
DeepSeek V4 Flash is an efficiency-optimized Mixture-of-Experts model from DeepSeek with 284B total parameters and 13B activated parameters, supporting a 1M-token context window. It is designed for fa Context: 1,048,576 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 132
DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. This re-post-trained revision is suited for coding, reasoning, and agent workfl Context: 1,048,576 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 133
This model always redirects to the latest model in the DeepSeek V4 Flash family. Context: 1,048,576 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 134
DeepSeek V4 Flash Vision Exp is an experimental vision-enabled version of DeepSeek V4 Flash 0731 from DeepSeek, adding image understanding whil Context: 1,048,576 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 135
DeepSeek V4 Pro is a large-scale Mixture-of-Experts model from DeepSeek with 1.6T total parameters and 49B activated parameters, supporting a 1M-token context window. It is designed for advanced reaso Context: 1,048,576 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 136
DeepSeek V4 Pro 0813 is a large-scale mixture-of-experts model from DeepSeek. This is the GA release of DeepSeek V4 Pro. Context: 1,048,576 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 137
DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on.. Context: 1,048,576 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 138
DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on.. Context: 1,048,576 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 139
DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model... Context: 1,048,576 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 140
May 28th update to the original DeepSeek R1 Performance on par with OpenAI o1, but open-sourced and with fully open reasoning tokens. It's 671B parameters in siz Context: 163,840 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 141
🐬DeepChat - A smart assistant that connects powerful AI to your personal world
FreeDeveloper Tools - 142
An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.
FreeCoding - 143
Open-source AI sales OS — self-hosted CRM with native AI agents + WhatsApp (WAHA). Open alternative to Kommo, Octadesk & Intercom for any business that sells by chat. MCP-ready, multi-tenant, LGPD.
FreeDeveloper Tools - 144
Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, Deep research, Document analysis, Multi-model support, and API connectivity for agents.
FreeDeveloper Tools - 145
Dots3-Note Preview is an open-weight mixture-of-experts model from Dots Studio, with 16B active parameters out of 280B total. It is the lightest model in the Dots 3 family and is... Context: 512,000 tokens (OpenRouter, 2026-10-15).
FreeAI APIs & LLMs - 146
EasyR1: An Efficient, Scalable, Multi-Modality RL Training Framework based on veRL
FreeDeveloper Tools - 147
An extensible message tunneling chat bot framework. Delivers messages to and from multiple platforms and remotely control your accounts.
FreeDeveloper Tools - 148
Glimpse is a multimodal visual reasoning model from Elorian, built for visual understanding and complex visual reasoning in the physical world. It reasons directly over images and video rather than... Context: 262,144 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 149
Agent framework for the JVM. Pronounced Em-BAY-bel /ɛmˈbeɪbəl/
FreeDeveloper Tools - 150
Errbot is a chatbot, a daemon that connects to your favorite chat service and bring your tools and some fun into the conversation.
FreeDeveloper Tools - 151
A streamlined and customizable framework for efficient large model (LLM, VLM, AIGC) evaluation and performance benchmarking.
FreeDeveloper Tools - 152
The GEP-powered self-evolving engine for AI agents. Auditable evolution with Genes, Capsules, and Events. | evomap.ai
FreeDeveloper Tools - 153
High-performance Inference and Deployment Toolkit for LLMs and VLMs based on PaddlePaddle
FreeAI APIs & LLMs - 154
FastGPT is a knowledge-based platform built on the LLMs, offers a comprehensive suite of out-of-the-box capabilities such as data processing, RAG retrieval, and visual AI workflow orchestration, letting you easily develop and deploy complex question-answering systems without the need for extensive s
FreeAutomation & Agents - 155
Expose your FastAPI endpoints as Model Context Protocol (MCP) tools, with Auth!
FreeDeveloper Tools - 156
Fast, Accurate, Lightweight Python library to make State of the Art Embedding
FreeDeveloper Tools - 157
FEDML - The unified and scalable ML library for large-scale distributed training, model serving, and federated learning. FEDML Launch, a cross-cloud scheduler, further enables running any AI jobs on any GPU cloud or on-premise cluster. Built on this library, TensorOpera AI (https://TensorOpera.ai) i
FreeDeveloper Tools - 158
Ember-1 is a specialized reasoning model from Fireworks Research, built on Kimi K3. It is designed to make every token go further: it produces shorter reaso Context: 1,048,576 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 159
The simplest way to get free inference. openrouter/free is a router that selects free models at random from the models available on OpenRouter. The router smartly filters for models that... Context: 200,000 tokens (OpenRouter, 2026-10-15).
FreeAI APIs & LLMs - 160
🧩 FrontierAgent, our agent framework, open-sourced alongside it — native command-line TUI, ReAct and Agent Team modes, one command on macOS and Linux, no preinstall, no hard Docker dependency.
FreeCoding