Productivity
250 products · updated 2026-10-05
- 夜观天象 Astrolabe 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
- 中转塔台 Relay Tower 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
- 移民数据 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
- FPS Tester 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
- Visual Timer 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
- 哪天加油 Find discounts at nearby gas stations, bookmark frequently used gas stations and receive discount reminders - WeChat Mini Program
- SyncClipboard CfServer 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.
- 本地工作控制台 lwc No need to connect to the Internet or register, just double-click a single file to use the local to-do and plan management platform, all data will be kept on your own computer
- 考试培训系统 The open source online examination and training system supports question bank management, fixed or random examination, online answering and score query. It integrates course learning and examination assessment on the same platform and needs to be deployed by yourself.
- Steal an Egg Predictor Steal an Egg is an unofficial player tools and strategy site that provides egg refresh time predictions, egg and pet information, and related game guides to help players more easily check and plan game progress.
- Concentration Games Collection of concentration/brain games (free), no registration, no downloading, focusing on concentration games, including Schulte table, Dual N-Back, reaction speed test and other tool pages
- Interval Timers Interval timer (free) that can set work time, rest time, prep countdown and cycle rounds, and provides sound prompts, suitable for HIIT, Tabata, fitness training and other scenarios that require work/rest cycle timing
- cc8.cc The public C-position bidding exposure list for independent developers, websites and apps: starting from ¥1, the amount determines the ranking, the amount on the list is reset to ¥1 at 0:00 Beijing time every day, the entry will not be removed, and the spot will be occupied if you tie it
- MoveToZero The Sedentary Reminder App for iPhone provides regular reminders to get up and move around, and helps arrange breaks between work and study through step goals and completion records; the supporting website [Stand Up Reminder] (https://standupreminder.com/) provides a web rest timer and office reminder guide
- CardShopDir Directory of physical card stores in the United States, including 7,700+ stores, covering 51 states. It supports filtering by state, city and game, helping players find offline stores for Pokémon, Magic, Yu-Gi-Oh and other cards. Each store has an address, business hours, supported games and ratings.
- Dopastep Break down the thing you have never wanted to do into the first step that is so small that you can start without making up your mind, and then enter the real-time focus room to do things at the same pace as others (body doubling); there is no need to turn on the camera, no chat, no appointment and matching, the focus period and the rest period are synchronized in the whole room - the Deep Work room has a fixed number of sessions every day (the page shows the time of the next session according to your time zone), and the 25/5 cycle of the other rooms is running all day long, and you can pick it up when you enter it; you can directly split tasks and sit down in the room without registering; support 12 languages (Chinese including simplified and traditional), task dismantling follows the language of the task itself rather than the interface language; free 3 dismantlings per month + public focus room, Pro ¥25/month, ¥198/year (price in mainland China, settled in local currency in other regions)
- 小辣椒 System telemetry and network security monitoring platform built with Rust + Vue, integrating real-time process monitoring, vulnerability scanning, Docker container security management and database IP access auditing - comes with a web dashboard and one-click Docker deployment
- AWSFinOps AWS cloud cost optimization scheduled task engine, triggered by EventBridge on a scheduled basis, Lambda executes a complete set of cost governance processes, including budget management, S3 Glacier archiving and multi-platform report broadcast - Go language, stateless
- AWSGateKeeper AWS security automation platform that unifies GuardDuty, Inspector, Detective, IAM and CloudTrail into an event-driven pipeline, supporting multi-channel broadcast of security alerts and API key middleware - Go language, MIT license
- AuthGate Multi-cloud unified authentication gateway, a single Go binary supports AWS Lambda, Alibaba Cloud FC and local three runtimes, shares routing tables and switches environments with zero configuration, integrates JWT key management and port adapter architecture - Docker deployment
- Metrune The native macOS focus and development activity tool integrates task timing, Codex status, GitHub activities and weekly reports into the top interface of Mac, and saves core records locally
- Global Solo U.S. LLC service comparison site for non-U.S. resident entrepreneurs, horizontally comparing 43+ registration, banking, tax and compliance service providers, providing 24 "country × dimension" combination strategies, risk self-examination, compliance calendar and cost calculator; the interface is in English
- Infinitum The self-hosted information aggregation workbench based on RSS performs necessary but conservative preprocessing on the increasingly expanding personal information flow to improve the efficiency of information acquisition.
- 隐私中转站 Android Local offline Android privacy sharing transfer tool. After turning off the clipboard reading permission of shopping and content apps, you can still save, identify and open links and passwords through the notification bar or system sharing - no network permissions, no ads, no statistics SDK
- FeedbackHi A user feedback tool that can be embedded into any website. With two lines of code, you can collect feature suggestions, bug reports and votes, and provide a public feedback board, status management and official replies.
- LeePanel Open source desktop Linux server management panel, all operations are completed through local SSH, with zero installation and zero residue on the server side, fundamentally eliminating the security risks of traditional web panels
- PublicHoliday Query 150+ national statutory holidays and holidays, 11 languages support switching by year and export calendar subscription (.ics) with one click
- 摸鱼日历 A daily fishing calendar for workers, showing the number of days until Friday, rest day and next holiday, as well as the progress of this week, month and year; there is also a countdown to get off work on Friday, a fishing bingo and a lunch gashapon machine
- CPS Test The mouse click speed test website integrates concentration training, space bar connecting dots training and reaction speed test and other gameplay methods. You can select test items by opening the web page.
- Berth A lightweight terminal workbench for macOS that manages multiple root directories, files, Git changes, and multiple terminals in the same window
- 反应测试 Focus on tests of reaction speed, memory and concentration, providing tests such as reaction time, aim training, sequence memory, number memory, multi-target tracking and Stroop - free
- BaZi Calculator Free horoscope tool. Enter the date of birth, time and city to view the four pillars, sun master, five elements, ten gods and great luck. No registration is required. If the birth time is unknown, the three-pillar horoscope is provided and there is no need to guess the time pillar.
- Monitrun Monitor website SSL certificate status and push iOS reminders in real time through distributed nodes — iOS App
- Birth Manage Mac startup items, display the developer signature identity of each self-starting item, camouflage system items marked in red, support one-click start, stop and safe deletion - Free open source macOS App
- 薪跳 PayDance The lightweight and elegant "real-time salary" small software dynamically calculates the income growth per second based on the user's salary and commuting time, making the value of labor time visible.
- OptPulse F-1 international student OPT / STEM OPT time tracking and EAD approval prediction tool, supports Premium Processing duration calculation and key date reminder, free and no registration required
- 摸鱼解压玩具 A collection of small interactions such as popping bubbles and playing marbles, giving your brain some time to relax when fishing; free, no registration required
- FluxDown Multi-protocol download manager, a task queue to receive HTTP/FTP, BT magnetic, eD2K, HLS and DASH at the same time, IDM-style dynamic segmentation (continue to divide the remaining intervals during the download, slow nodes will not delay the end), automatically take over the browser download after installing the extension, free and open source for all Win/macOS/Linux/Android platforms
- FileTags Desktop software for file tag classification retrieval and management, cross-platform (Windows, Linux)
- ky3 Launcher Genshin Impact is a third-party open source launcher that integrates game startup, card drawing record analysis, achievement management, and development planning. It has a WinUI 3 native interface and is free and ad-free.
- EloLin Domains Get your own subdomain name for free and manage its DNS resolution on your own, it will take effect in seconds
- 大姨妈来了 Menstrual calendar assistant, including calculation of ovulation and fertile safe periods
- Fork & Pour Treat cocktail recipes as an open source project for code collaboration. Use JSON to manage recipes, use PR to contribute content, and the front end to automatically display results.
- Sky Clock "Light Encounter" sky kingdom time tool, centralized display of game time, daily reset and event countdown
- 历史图轴 The combination of historical timeline and map links general history/chronological history/historical figures, time, and maps. It has a web version and a WeChat Mini Program.
- 耳虫日记 Record the "earworm" melodies that circulate in your mind every day, support multiple recordings in a single day, visual album cover calendar and local offline account-less storage
- F-Curator Cross-platform network favorites management app, supports Mac and Windows, permanently saves data, can be downloaded from the Electron official website
- AniShelf Free iOS fan-watching management tool, centrally manage TV dramas and animated movies, record viewing status, date and thoughts, and view episode information and ratings
- 123pan Open source third-party 123 cloud disk desktop client, supports Windows and Linux, provides file management, multiple accounts, multi-threaded transmission, speed limit and proxy settings
- 玉兔远程控制 Open source cross-platform remote management app that supports protocols such as remote desktop, file transfer, SSH, TELNET, RDP and VNC
- Mindwtr The local-first GTD to-do app collects the tasks and ideas in your mind in a few seconds, and then always sees the next step clearly through organization, execution and weekly review; it is free and open source, no account is required, and the data stays on your own device
- 旅游综合管理平台 Full-featured tourism management platform, based on Spring Boot + MyBatis-Plus + Vue.js + MySQL, one-stop management of attractions, hotels, restaurants, routes, tour guides, tickets and community interaction
- ZhouJun's Blog Sakura pink theme personal blog system, Vue 3 + Django front-end and back-end separation, including article management, comments, full-text search, footprint map, light and dark themes, PWA, front-end deployment GitHub Pages, back-end deployment PythonAnywhere are free
- CloudFlare-ImgBed Open source file hosting solution, suitable for building self-built image beds, managing static website resources and lightweight file distribution; compatible with Docker and Serverless deployment, supporting multiple back-end storage methods
- SignalTo TradingView webhook alert forwarding tool automatically sends strategy alerts to Telegram, Discord and Feishu, supporting automatic retry, log delivery and deduplication.
- 计算器3000 A free online calculator tool station for domestic users, covering scenarios such as mortgage, personal income tax, salary receipt, car loan landing price, compound interest, BMI, etc. The page includes formula description, source basis and update time
- Mobyform Form building tool that supports surveys, workflows and response collection
- NuxtBase Nuxt SaaS startup template has built-in authentication, subscription payment, team management and management backend to help quickly launch products
- YouTube Playlist Length YouTube playlist duration calculator to calculate total play time, double speed watch time and study plan
- Focus Game A collection of concentration training games, including browser training tools such as Schulte Table, Stroop Test, Reaction Time Test, etc.