Experience the 6502 microprocessor, the heart of 1970s home computers. This app emulates the 8-bit processor with an assembler and programming puzzles. Learn to code on a minimalist interface and discover how early computing was done.






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Experience the 6502 microprocessor, the heart of 1970s home computers. This app emulates the 8-bit processor with an assembler and programming puzzles. Learn to code on a minimalist interface and discover how early computing was done.




Experience vintage computing with a simulation of the MITS Altair 8800. Explore old software like CP/M 2 and run programs such as Eliza using built-in BASIC. This self-contained system offers a unique glimpse into early computing history.






This app emulates vintage pocket computers and scientific calculators from the late 70s and 80s. It offers a wide range of fully emulated models, adapting to different screen sizes for use on iPhones and iPads. Access all functionalities and models with a single subscription fee.


Explore the fundamentals of computer architecture and assembly language with this educational tool. It simulates the von Neumann architecture, offering a hands-on way to grasp how computers process information. Ideal for students and anyone curious about computing.


Experience vintage computing with a simulated MITS Altair 8800. Explore classic operating systems like CP/M and MS-DOS, and run beloved software such as WordStar and Zork. This self-contained system offers a nostalgic look at early computing.


Learn to write and run computer programs on your iPhone or iPad. This app offers a beginner-friendly introduction to BASIC programming, complete with a debugger and sample code to get you started quickly. Share your creations with friends and build your first game within an hour.


This application provides an integrated development environment for the J programming language, ideal for mathematical, statistical, and logical data analysis. It offers a code editor, session logging, and context-sensitive help, making it a valuable learning resource.


A portable development environment for the Scheme programming language. Ideal for learning Scheme and writing scripts directly on your mobile device.


This app provides a portable game development environment for creating and programming games. It includes tools for coding, graphics, and sound, making it accessible for beginners. Finished games can be shared and modified by other users.


This application provides a Common Lisp REPL with an integrated editor. It includes a command line, debug dialog, and built-in support for Swank/Slime and Quicklisp. The editor offers syntax highlighting, auto-indent, auto-completion, and file saving capabilities.