Tone and frequency generation tool (free), generates audio signals of specified frequencies in the browser, supports sine waves, square waves, triangle waves, sawtooth waves, frequency adjustment, left and right channel control and WAV export, and provides audio testing tools such as Frequency Sweep, Multiple Tone, Speaker Test, Subwoofer Test, etc. Audio processing is completed locally in the browser, without uploading files or installing software
Description translated from the developer's original Chinese by machine translation. 中文原页 ↗
音调与频率生成工具（免费），在浏览器中生成指定频率的音频信号，支持正弦波、方波、三角波、锯齿波、频率调节、左右声道控制和 WAV 导出，并提供 Frequency Sweep、Multiple Tone、Speaker Test、Subwoofer Test 等音频测试工具，音频处理在浏览器本地完成，无需上传文件或安装软件
Offline Mac voice reminder assistant, the machine recognizes Chinese and English mixed speech and checks custom rules one by one, and the floating button controls monitoring; the sandbox does not have network permissions and does not automatically save recordings. Apple Silicon source code preview needs to be built by yourself
Portuguese (Brazilian) Morse code website, two-way translation of text and Morse code, supports telegraph tone three-speed playback and WAV audio download, comes with a complete alphabet click to listen and a seven-day learning plan, free and no registration required
A real-time subtitle translation tool that converts foreign language videos and live broadcast sounds played on the computer into floating subtitles; free and open source, supports Apple chips macOS 13+ and Windows x64, and requires your own cloud service API credentials
For a topic, just write a script, find scenes, dub, burn subtitles, produce the film and publish the copy. By default, you can pass the first article at zero cost.
YouTube's popular topic selection tool discovers shorts and long videos in low-subscription channels whose playback volume far exceeds subscriptions every day. It filters by the playback/subscription ratio to help creators find content inspiration.
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This page is part of Indie Maker, a directory of works by Chinese indie developers. We sync daily from the open-source repository chinese-independent-developer; this product was added on 2026-09-30.
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