A collective list of free APIs

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

Drop in a screenshot and convert it to clean code (HTML/Tailwind/React/Vue)

Langflow is a low-code app builder for RAG and multi-agent AI applications. It’s Python-based and agnostic to any model, API, or database.

real time face swap and one-click video deepfake with only a single image

RAGFlow is an open-source RAG (Retrieval-Augmented Generation) engine based on deep document understanding.

one-click face swap

An open-source PAM tool alternative to CyberArk. 广受欢迎的开源堡垒机。

A high-quality tool for convert PDF to Markdown and JSON.一站式开源高质量数据提取工具，将PDF转换成Markdown和JSON格式。

Translate the video from one language to another and add dubbing. 将视频从一种语言翻译为另一种语言，同时支持语音识别转录、语音合成、字幕翻译。

FreeAskInternet is a completely free, PRIVATE and LOCALLY running search aggregator & answer generate using MULTI LLMs, without GPU needed. The user can ask a question and the system will make a mu…

Diff Match Patch is a high-performance library in multiple languages that manipulates plain text.

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Markdown Presentations for Tech Conferences, Training, Developer Advocates, and Educators.

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