This catalog serves as a supreme resource for programmers and developers, encompassing an alphabetical range of essential cheatsheets. Although it does not comprehensively encompass all programming languages or databases, it undeniably provides a generous selection. We always seek your feedback to improve and expand our collection.
1. AJAX (Asynchronous JavaScript And XML): These entwined web development strategies are essential for creating asynchronous web applications from the client-side.
2. Apache: Any user of the Apache HTTP server will immensely value this cheat sheet.
3. Apache Ant: This Java library and command-line tool aids in automating software build processes.
4. Apache Cassandra: This open-source distributed database management system is often chosen when scalability is of foremost concern.
5. ASCII (American Standard Code for Information Interchange): A commonly used character encoding scheme.
6. Berkeley DB: This quick and dependable option from Oracle is a top choice for many developers.
7. Blueprint: A cheatsheet aimed at the widely-adopted CSS framework.
8. C: This fundamental programming language forms the core of several other prevalent programming languages.
9. C#: A useful cheatsheet for C#, a language known by most programmers.
10. C++: This flexible programming language is essential learning for all programmers.
11. Calculus and Analysis: For specific types of app development, having a firm grasp of calculus and analysis proves beneficial for programmers and developers.
12. Clojure: A favored choice among languages working on the Java Virtual Machine.
13. CSS: Evolving alongside HTML, CSS is the language of the internet.
14. Debian: A cheatsheet for one of the most desirable Linux-based distributions.
15. Django: This open-source web application framework, written in Python, has attained widespread acceptance.
16. DOM (Document Object Model): This standard practice is applied for interacting with objects in XHTML, XML, and HTML.
17. Drupal: This open-source content management system holds high popularity amongst developers.
18. Eclipse: At present, it’s one of the most utilized IDEs worldwide.
19. Fedora: Regarded as a giant among the Linux-based distributions.
20. Firebug: This web development add-on for Mozilla’s Firefox has created significant buzz in the industry.
21. Git: Regardless of your position on open source, Git requires no introduction.
22. Groovy: Yet another programming language that operates on the Java Virtual Machine.
23. Hadoop: As the future is in Big Data, Hadoop has turned indispensable.
24. Haskell: An open-source functional programming language.
25. HTML: Craft your customized website using the Hypertext Markup Language.
26. Java: An unavoidable language for all programmers and developers.
27. JavaScript: The scripting language assigned for the web.
28. jQuery: A powerful JavaScript library.
29. Linux: Command line tips that will undeniably be useful to Linux users.
30. Mac OS X: Keyboard cheatsheets for Apple’s Mac OS X users.
31. Mathematica: Wolfram Mathematica is acknowledged as an extraordinarily robust system.
32. MATLAB: A high-level technical computing language coupled with an interactive environment.
33. MySQL: Notwithstanding some diminishing trust in MySQL, the database maintains its resilience.
34. NMAP: A tool familiar among hackers.
35. Node.js: A leading choice for scalable web development.
36. Oracle: A useful reference cheat sheet for Oracle’s SQL.
37. Perl: This renowned programming language finds application in diverse areas.
38. PHP: PHP stands on its own merit.
39. PostgreSQL: Frequently employed as a substitute for MySQL.
40. Python: Deemed as one of the most favored programming languages today, Python is utilized in domains from game programming to hacking.
41. Ruby: A well-adopted global programming platform.
42. Ruby on Rails: An open-source framework running on Ruby.
43. Scala: An object-functional programming and scripting language operating on the JVM.
44. Shell script.
45. SQL (Structured Query Language): The designated programming language for managing data stored in relational database systems.
46. SQLite: A relational database management system wrapped in a C programming library.
47. Ubuntu: Though fondly called “Linux for humans,” a cheatsheet proves quite beneficial.
48. Unicode: The computing world’s standard encoding system.
49. Unix: A cheatsheet to facilitate work using the Unix command line.
50. WordPress: The content management system that has progressively gained industry acceptance.
51. XHTML: Also known as Extensible HTML, it is an XML markup language.
52. XML (Extensible Markup Language): A widely used and highly respected markup language.
53. .NET: Predominantly run on Windows, this Microsoft framework leads an ongoing debate on its open-source status.
Source: Efytimes
Updated in 2025 to align with recent developments.
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Paul Femi Balo is the founder and publisher of TechBooky. He covers artificial intelligence, African technology, digital infrastructure, enterprise technology and the global digital economy.
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