cheatsheets by developers for developers
- https://dedo.io/ - You can create and share calculations instantly. The code on the right is editable and the results on the left appear right away.
- https://instacalc.com/ - InstaCalc Online Calculator
- https://bbodi.github.io/notecalc3/ - NoteCalc - A handy note taking app with built in calculator
- https://numbr.dev/ - A smart calculator combined with a notepad.
- https://github.com/xixixao/recomputer - A free web app, a smart calculator with instantly updating results.
- https://insect.sh/ - high precision scientific calculator with full support for physical units.
- https://cruncher.io/ - a calculating notepad.
- https://github.com/filipesabella/calcpad
- https://numpad.io/ - Numpad is a text editor/calculator hybrid.
- https://tenno.app/ Tenno is a web app that lets you create Markdown documents that can include computational cells. You can think of it as a mix of Word and Excel, some sort of "literate programming" environment. Hacker News
This website lets you subscribe to RSS feeds for websites that do not support RSS themselves, by using the respective website's API and then translating that data to RSS feeds.
- YouTube
- Vimeo
- Periscope
- SoundCloud
- Mixcloud
- Twitch
- Speedrun
- Dailymotion
- Imgur
- SVT Play
urlwatch is intended to help you watch changes in webpages and get notified (via e-mail, in your terminal or through various third party services) of any changes. The change notification will include the URL that has changed and a unified diff of what has changed.
Dotling is the free, no-code website builder that delivers exceptional creative freedom while maintaining ease of use and performance. Made for everyone to build anything.
🛡️ This multiarch Unbound Docker image is based on Alpine Linux with focus on security, performance and a small image size. And with Pi-hole in mind.
数码产品、软件的评测和新闻
pydigitize is a simple command-line based tool to scan/archive documents.
It does the following steps:
- Scan a document with any scanner that supports SANE (ADF supported)
- Straightening and cleaning of scanned documents
- Run OCR on PDF so that it becomes searchable
- Generate PDF/A file for archival
- Add keywords to the PDF file
OCRmyPDF adds an optical character recognition (OCR) text layer to scanned PDF files, allowing them to be searched.
Download media files from a telegram conversation/chat/channel up to 2GiB per file
数据可视化生成工具，只要在网页上提交数据，经过几步配置，就能生成杂志级的可视化图表。不需要注册就可以免费使用。
A free, web-based SQLite Explorer to quickly and easily inspect .sqlite files.
Your data stays private: Everything is done client-side and never leaves your browser.
一个可以在浏览器里使用的 SQLite 数据库浏览工具。使用了浏览器的原生文件系统 API 来打开 .sqlite 文件。也可以作为 PWA 安装。
微软推出的在线数学求解器。有网页版，iOS、安卓端应用。
Chrome 插件，为 YouTube™ 视频增加双语字幕。
The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis
集合了上百种实用的小功能（比如 Base64 解码、提取 EXIF、生成 Hash 等等），都包括在一个网页里面。
可以在线查询 DNS 的小工具。
类似工具:
- https://www.nslookup.io/
- https://toolbox.googleapps.com/apps/dig/
- https://dns.google/
- https://dns.surf/ Querying DNS Resolution Results in Different Regions Worldwide. 提供不同地区的解析结果
- https://dnsdblookup.com/ 查询域名的历史解析记录，以及反查某个 IP 地址上绑定的域名。👍👍👍
A tool for simulating the historical performance of investment portfolios. Set your portfolio asset allocation and simulate its performance on historical data. It focuses on passive, long-term, index-based investing.
回测投资组合的历史表现，侧重于被动、长期、指数投资。