Visual countdown tool, the red disk shrinks over time, and the screen is projected to children and the classroom to know how long is left at a glance; it comes with a bouncing ball [Classroom Noise Meter](https://visualtimer.org/classroom-noise-meter/) and [Christmas Countdown](https://visualtimer.org/christmas-countdown/), free and no registration required
Description translated from the developer's original Chinese by machine translation. 中文原页 ↗
OKX market and account monitoring panel displays the currency price, K-line, funding rate and unrealized profit and loss of your own positions in real time. If the market fluctuates violently, the funding rate crosses the threshold, or the account opens or closes a position, or equity changes, push reminders are sent through Telegram; it only observes but does not place orders, does not have any trading permissions, and you can view the public market without an API Key - you need to build a self-built Python service, MIT open source
When the upstream price increases in the middle of the night or the main account fails, you don’t need to keep an eye on the background. Automatic reminders and automatic switching. Telegram on mobile phones can cut the line with one click; MIT open source, Docker deployment with one click
The U.S. green card schedule is officially announced on the 8th to 10th of each month, with a full 15-category comparison (marking each category forward/backward compared to the previous month), Canadian EE 447 lottery records, U.S. processing time and 23 country policy databases, and a self-assessment tool for points from 6 countries; free, no advertising, no intermediary
Browser FPS, Frame Time and Display Test Toolset (free), which can test real-time FPS, Frame Time, 1% Low, FPS Stability, FPS Drop and refresh rate, and provides FPS Comparison, Screen Tearing, Motion Blur, Monitor Test, Mouse Polling Rate, Reaction Time and other related test tools to check browser animation performance, display effect and game input performance
Cloudflare Workers replica implementation of SyncClipboard's official server. The official client can be connected without any changes. It does not require a server and is billed by volume. It comes with a Web history management interface and a recycle bin.
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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 2026-09-29.
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