Education2 months ago
FreetCode — Free Algorithm Interview Prep
Practice algorithm interview problems with solutions and interactive visualizers.
Open source
@Galliard232634 · X
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Practice algorithm interview problems with solutions and interactive visualizers.
@Galliard232634 · X
Come study with me on
Write and organize notes with AI assistance, completely free.
adi2907 · HN
Everfree -AI cowriter note app on GitHub backend & Evernote migration
Free security scanner that checks AI-built applications for vulnerabilities in seconds.
kahlilashanti · HN
My tool scanned 256 AI-built apps and most had exposed credentials
Collaborate with AI agents to solve math and science problems, with a public ledger of contributions.
KrishnaMadala · HN
ZeroThesis – Multiplayer Autoresearch with Agents
Free tool to detect AI-generated text instantly, no sign-up required.
new_user___1862026e2883cc743d726f7 · Product Hunt
AI DETECTOR Probably the best AI detector with free no sign-up access.
Free online image processing tool for composing puzzles, slicing grids, and applying AI segmentation with local processing.
@lanford87746071 · X
上线了一个小工具：羊咩像素 WoollyPix 🐑 在线拼图 / 九宫格切图 / AI 智能分割 / 截图美化 全程本地处理，不上传图片，免费无广告
@anupamrjp Need Ai for Study or Coding? Use SetrxAI everything is free Try it now:- https://t.co/8jbF6Kgnr5
@AmanRay556397 · X
Need Ai for Study or Coding? Use SetrxAI everything is free Try it now:-
Collection of 125+ free calculators for finance, health, legal, real estate, and travel—no signup required.
@Arafat3599651 · X
Just launched 🧮 125+ free calculators — mortgage, BMI, debt payoff, compound interest, calories & more. No signup. No ads. Everything runs in your browser instantly. #buildinpublic #webdev #react
Free AI chat with multiple models (Grok 4 Fast, DeepSeek V3.1) requiring no login.
Free AI for Everyone — 无需登录、完全免费的 AI（模型包括 Grok 4 Fast、DeepSeek V3.1 等）。可选择的模型以后可能会有所调整，但这个服务会长期提供，并且完全免费
Run AI models from OpenAI and Anthropic through a single API, free with no login.
@abdul21616 · X
something to make ai free:
Generate AI images and videos with automatic model selection and no watermark.
HelloGen — AI 图片和视频生成工作台，图片免费不限量、无水印、可商用，视频按次计费；助手根据需求自动选模型（Seedream、Nano Banana、GPT Image 2、Veo、Kling、Seedance），生成前先报价，失败不扣费
