This note will always be updated.
Online tools #
- AutoDraw — an drawing platform using AI to guess what you draw. Try it!
- Compress images: PNG, JPG.
- Remove background / Transparent photos: online png tools, lunapic.
- iloveimg: resize, crop, compress, rotate.
- Side by side images: this tool.
- Change color:
- Free photos:
- Get link Google Photos
- Add border to png -> onlinephototools
- Convert to SVG
- PDF tools:
- Etherpad — a highly customizable Open Source online editor providing collaborative editing in really real-time.
- Text recognition (OCR): newocr
- LaTeX tools
- Obsidian — Obsidian is a powerful knowledge base that works on top of
- a local folder of plain text Markdown files.
- Astral — Organize Your GitHub Stars With Ease.
- GitKraken — git client for ubuntu (better than Github Desktop when importing local)
- GoldenDict — dictionaries + its dictionaries.
- Google Play Music Desktop Player (support Youtube Music with custom controllers, online only).
- Jitsi Meet — More secure, more flexible, and completely free video conferencing.
- Mailspring — Email client.
- Typora — WYSWYG markdown editor.
- VirtualBox — virtual machine.
- XDM — download manager.
- Download Youtube playlist
- ShareDrop — P2P file transfer.
- Big Stretch Reminder — free simple reminder tool that prompts a user to take regular breaks and helps prevent the symptoms of Repetitive Strain Injury (RSI).
- cmder (Console Emulator) — (update 11/20: should use Windows Terminal with dropdown support) drop-down terminal for windows. My setting file.
- DeepL — Quickly translate app (by using Ctrl + C + C).
- Everything — an alternative to Spotlight in Mac. You can search any thing (app, docs, files,...) in your computer with hotkeys.
- FastStone Capture — screen recorder.
- Lingoes — dictionary (used alongside with GoldenDict) — its dictionaries.
- Linux Reader -- read Linux's partition from Windows.
- LockHunter — find what application/process is preventing us from deleting some folder/file.
- ScreenToGif — screen recorder and auto convert to gif file.
- Unikey — Vietnamese input method on Windows.
- Cheese (Appstore) — webcam for linux.
- Foliate (Appstore) — Book reader.
- gThumb (Appstore) — photo viewer + quick editing tools.
- Guake Terminal — drop-down terminal (more settings)
- Kazam (Appstore) — Screen Recorder.
- Lotion — Unofficial Notion client for linux (online only)
- Lutris — playing games on linux.
- Notejot (Appstore) — sticky note.
- OpenComic — read offline comic with many supported files (zip, folder containing images,...)
- Rhythmbox (Appstore) — Music player on Linux (custom hotkeys).
- Workrave — a program that assists in the recovery and prevention of Repetitive Strain Injury (RSI).
- exfalso (Appstore) — edit mp3 tag on linux.
- iTerm2 — drop-down terminal.
- Time Out — a program that assists in the recovery and prevention of Repetitive Strain Injury (RSI).
- Foreign language learning:
- DeepL — "better than google translate" app for Windows. You can use Ctrl + C + C to quickly translate a word or phrase.
- GoldenDict — global dictionary (multi-platform). Its dictionaries.
- Lingoes — Global dictionary for Windows. Its dictionaries.
- QTranslate — quickly translate any word / phrase and also their pronunciation by using hotkeys (for example, you can use Ctrl + E to hear the pronunciation and Ctrl + Q to see the translation). The data is obtained from various sources including deepl and google translate.
- LyricsTraining — a new way to learn English and other languages through music and the lyrics of your favourite songs.
- PhimLearning — watch movie and learning foreign language with bilanguage-subtitles.
- Grammar & Spell check online: Scriben, Grammarly, 1checker.
- Raindrop — bookmark to read later the articles (like Pocket)
- arXiv Vanity — renders academic papers from arXiv as responsive web pages so you don’t have to squint at a PDF.
- b-ok — download books (may be illigal).
Math tools #
- Matcha — draw / write LaTeX / Tikz online, very beautiful.
- WolframAlpha — powerfully computational intelligence.
- Geogebra Graphhing Calculator — draw graph online with Geogebra.
- Desmos — advanced Graphing calculator.
Chrome extension #
- Adblock Plus - free ad blocker
- AutoTube — YouTube nonstop (for ones who wanna listen to a video music which has more than 1 hour length)
- AVIM — Vietnamese input method.
- Bit.ly -- shorten long url for sharing.
- Copy URL with title — copy title and URL using Ctrl + C (Win/Linux) / ⌥ Option + C (Mac). Use Alt + C (Win/Linux) / ⌥ Option + C (Mac) to get them in markdown link format.
- Google Dictionary (by Google)
- Hush — private bookmarking
- LastPass — Free Password Manager
- Mate — Quick translater.
- Microsoft Editor — Spelling & Grammar Checker
- Picture-in-Picture Extension (by Google) — Picture-in-Picture (PiP) allows you to watch videos in a floating window (always on top of other windows) so you can keep an eye on what you’re watching while interacting with other sites, or applications.
- Print Friendly & PDF — print any web page into pdf.
- Raindrop.io — All-in-one bookmark manager (better than Pocket)
- TabCloud — save current tab list
Data Science / Machine Learning #
👉 Note: Resources for DS & ML & DL.
Web Dev tools & frameworks & resources #
👉 Note: Web Dev tools & resources.
Illustration tools #
- GeoGebra — Free Math Apps - used by over 100 Million Students & Teachers Worldwide.
- Microsoft Office Powerpoint (paid, Windows), OnlyOffice Presentation (free, multiplatform), Google Drawing (free, online) — quickly illustate ideas.
- Make featured image for posts.
- Draw simple geometrical shapes / graph / flow charts or even mathematical function graphs.
- Make charts to illustrate data points (have a link to MS Excel or OnlyOffice SpreadSheet).
- Support inserting math equations.
- Save figure by capturing screen,
- Excalidraw — Virtual whiteboard for sketching hand-drawn like diagrams.
- Desmos — make interative graphs / charts.
- Matcha — Draw beautiful figures/graphs like LaTeX.
- JSXGraph — Make interactive graph inside posts.