# AI tools for “Open Access” 420 matching tools; showing 24, ranked by relevance. Filters: `group=coding-development` | # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Why it matched | Profile (Markdown) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | [DeepSeek](https://openaitools.app/tool/deepseek) | 372,761,591 | +4.3% | Freemium | High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs. | semantic match | [.md](https://openaitools.app/tool/deepseek.md) | | 2 | [Semantic Scholar](https://openaitools.app/tool/semantic-scholar) | 8,198,672 | +5.8% | Free | A free, AI-powered academic search engine for 240M+ papers across every scientific field | keywords 100%; semantic match | [.md](https://openaitools.app/tool/semantic-scholar.md) | | 3 | [Treg](https://openaitools.app/tool/treg) | 452,935 | +223.4% | Freemium | One key for 4,100+ agent tools, pay per call | keywords 100%; semantic match | [.md](https://openaitools.app/tool/treg.md) | | 4 | [OpenRouter](https://openaitools.app/tool/openrouter-ai) | 19,941,437 | -6.2% | Paid | One API key for hundreds of AI models from every major provider | keywords 54%; semantic match | [.md](https://openaitools.app/tool/openrouter-ai.md) | | 5 | [LiteLLM](https://openaitools.app/tool/litellm) | 576,967 | +7.9% | Freemium, Contact for Pricing | One open-source AI gateway for 100+ LLM providers | keywords 100%; semantic match | [.md](https://openaitools.app/tool/litellm.md) | | 6 | [Chutes](https://openaitools.app/tool/chutes) | 250,187 | -15.2% | Paid | Serverless, decentralized inference for open-source AI models | keywords 100%; semantic match | [.md](https://openaitools.app/tool/chutes.md) | | 7 | [Models.dev](https://openaitools.app/tool/models-dev) | 200,451 | -3.9% | Free | Open-source database of AI models, prices and capabilities | keywords 100%; semantic match | [.md](https://openaitools.app/tool/models-dev.md) | | 8 | [Claude](https://openaitools.app/tool/claude-2) | 1,253,439,413 | +23.8% | Freemium | Anthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing. | keywords 54% | [.md](https://openaitools.app/tool/claude-2.md) | | 9 | [Gemma Open Models by Google](https://openaitools.app/tool/gemma-open-models-by-google) | 4,900,914 | -13.5% | Freemium, Paid | Google's family of lightweight, open-weight AI models | semantic match | [.md](https://openaitools.app/tool/gemma-open-models-by-google.md) | | 10 | [LLM Gateway](https://openaitools.app/tool/llm-gateway) | 168,426 | -14.5% | Freemium, Contact for Pricing | One OpenAI-compatible API to route, monitor and control 250+ LLM models | keywords 100%; semantic match | [.md](https://openaitools.app/tool/llm-gateway.md) | | 11 | [Vana](https://openaitools.app/tool/vana-com) | 5,701 | -45.5% | Free | Open data infrastructure where people own and authorize the data behind AI | keywords 100%; semantic match | [.md](https://openaitools.app/tool/vana-com.md) | | 12 | [CalcForge](https://openaitools.app/tool/calcforge) | 31,360 | -4.8% | Free, Paid | Open-source engineering calculators for civil and structural design | keywords 100%; semantic match | [.md](https://openaitools.app/tool/calcforge.md) | | 13 | [DeepSeek R1 Online](https://openaitools.app/tool/deepseek-r1) | 6,291 | -71.5% | Paid | Chat with an open reasoning model for free, straight from your browser | keywords 100%; semantic match | [.md](https://openaitools.app/tool/deepseek-r1.md) | | 14 | [LTX-2 AI](https://openaitools.app/tool/ltx-2-ai) | 31,520 | -30.2% | Freemium | Hosted LTX-2.3 text-to-video and image-to-video, in your browser | keywords 100%; semantic match | [.md](https://openaitools.app/tool/ltx-2-ai.md) | | 15 | [Unsloth AI](https://openaitools.app/tool/unsloth-ai) | 887,457 | -17.6% | Free | Open-source, memory-efficient fine-tuning and local model running | semantic match | [.md](https://openaitools.app/tool/unsloth-ai.md) | | 16 | [Firecrawl](https://openaitools.app/tool/firecrawl-dev) | 1,828,239 | -1.9% | Freemium, Contact for Pricing | Web data API that turns any site into clean, AI-ready content | semantic match | [.md](https://openaitools.app/tool/firecrawl-dev.md) | | 17 | [Genspark.ai](https://openaitools.app/tool/genspark-ai) | 10,215,720 | -7.9% | Freemium, Paid, Contact for Pricing | Agentic search that composes cited research pages for you | semantic match | [.md](https://openaitools.app/tool/genspark-ai.md) | | 18 | [Browser Use](https://openaitools.app/tool/browser-use) | 1,206,376 | +41.1% | Freemium, Paid, Contact for Pricing | Browser agents and stealth cloud browsers for real web tasks | semantic match | [.md](https://openaitools.app/tool/browser-use.md) | | 19 | [Vanna AI](https://openaitools.app/tool/vanna-ai) | 12,371 | -40.3% | Freemium | Open-source AI SQL agent that turns natural-language questions into production-ready database queries | keywords 100%; semantic match | [.md](https://openaitools.app/tool/vanna-ai.md) | | 20 | [DeepInfra](https://openaitools.app/tool/deep-infra) | 457,810 | -8.9% | Paid | Low-cost serverless inference APIs for 200+ open models | semantic match | [.md](https://openaitools.app/tool/deep-infra.md) | | 21 | [Pollinations](https://openaitools.app/tool/pollinations) | 316,875 | +22.8% | Free | Open infrastructure and one API for generative AI builders | semantic match | [.md](https://openaitools.app/tool/pollinations.md) | | 22 | [LlamaIndex](https://openaitools.app/tool/llamaindex) | 387,910 | +19.9% | Freemium, Contact for Pricing | Turn any document into AI-ready context with agentic parsing and extraction | semantic match | [.md](https://openaitools.app/tool/llamaindex.md) | | 23 | [Activepieces](https://openaitools.app/tool/activepieces) | 258,553 | +1.5% | Freemium | Open-source AI automation that unifies agents, flows and 770+ app integrations | semantic match | [.md](https://openaitools.app/tool/activepieces.md) | | 24 | [Pruna AI](https://openaitools.app/tool/pruna-ai) | 229,282 | +234.7% | Paid | Performance models for fast, affordable image and video generation | semantic match | [.md](https://openaitools.app/tool/pruna-ai.md) | Page 1 of 18 · [Next page →](https://openaitools.app/index.md?q=Open+Access&group=coding-development&page=2) For programmatic access use `https://openaitools.app/api/tools?q=…` or MCP `https://openaitools.app/api/mcp`. --- Source: https://openaitools.app/?q=Open%20Access More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)