Hand-Picked Free Tools & Resources
A hand-maintained list of free and open-source software, services and tools across 25 categories. Browse reliable resources to learn, build things, get work done and explore.
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Free web chatAPI billed separately
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Free chat accessAPI trial credits
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Meet Z.ai, the AI assistant powered by GLM-5.3-Flash. Build websites, write code, handle long-horizon tasks, and get instant answers. Fast, smart, and reliable.
chat.z.aiFree tier variesCheck official quotas -
Free API tierPer-model daily quotas
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Free chat accessDaily limits apply
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Kimi K3.1 Pro is now live. Easily tackle complex coding projects, build 3D models, and conduct in-depth financial research. More powerful agentic capabilities help you complete more complex tasks efficiently.
kimi.aiFree chat accessAPI billed separately -
Free tier availablePlus from $20/mo
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Free tier variesCheck official quotas
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Free tier availableSuperGrok is paid
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Free tier availableAdvanced is paid
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Free tier availablePro from $20/mo
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free tier availablePro is paid
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Free tier availablePaid plans optional
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Experience the leading models to build enterprise generative AI apps now.
build.nvidia.comFree tier variesCheck official quotas -
Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Open sourceFree to self-host
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free daily searchesPro from $20/mo
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Free tier variesCheck official quotas
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Vane is an AI-powered answering engine. Contribute to ItzCrazyKns/Vane development by creating an account on GitHub.
github.comOpen sourceFree to self-host -
Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Discuss, discover, and read arXiv papers. Explore trending papers, see recent activity and discussions, and follow authors of arXiv papers on alphaXiv.
alphaxiv.orgFree tier variesCheck official quotas -
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
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Free tier variesCheck official quotas
