Just for personal convenience
Search Engine
| Microsoft Academic Search | WolframAlpha | |
| Googto | Web of Knowledge | Scopus |
| ScienceDirect | Academics.IO | Bielefeld Academic Search |
MOOC
| Coursera | edX | MIT OCW |
| Stanford Lagunita | Udacity |
Dev Tools
| AWS Console | DigitalOcean | Online Diff Check |
| 在线工具 开源中国社区 | JSON 在线编辑器 | regex tester and debugger |
| Check Browser Compatibility | Visual Studio Online |
Doc Link
| NumPy | MSDN | Git Reference |
| Regex(Python) | MongoDB(Python) | Spark |
| ML(Matlab) | YALMIP Wiki | RStudio Docs |
| Conda Wiki | Jekyll Plugins | MathJax reference |
Cheatsheet
| RegExp Cheatsheet(Python) |
Booksite
| Algorithm |
App link
| Anaconda | OriginLab | Prezi |
| Theano | LIBSVM |
Miscellaneous
| Pandoc | GitHub Student Developer Pack |
Invitation
| Dropbox | DigitalOcean | WizNote |
| Outlook | GMail |
Less Frequent
Text
| Kindle Notes and Highlights | CmdMarkdown编辑阅读器 | Online LaTeX Equation Editor |
| Smallpdf | HTML to PDF |
Image
| 图片转文字 图片转字符 | TinEye Labs | Online Image Splitter |
| iConvert Icons |
!@#$%^&*
| VirusTotal | ||
| MindMup | ProcessOn | |
| Rainy Mood | Labuat | 豆瓣电影TOP250 |
| Typing Test English |