🎓 Free Capstone Projects with Full Documentation, ER Diagrams & Source Code — Updated Weekly for 2026
👨‍💻 Free Source Code & Capstone Projects for Developers

Rock Paper Scissors in C with Source Code

Rock Paper Scissors in C Programming with Source Code

This Rock Paper Scissors project in C Programming is developed using C programming language. is a two-person hand game in which each participant creates one of three shapes at the same …

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Currency Converter in C with Source Code

Currency Converter in C with Source Code

In this piece, we will construct a simple currency converter in c programming, which will be developed using the C programming language. A calculator known as a currency converter is …

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Multiplication Table in C with Source Code

Multiplication Table in C with Source Code

How to make a multiplication table in c programming? This Multiplication Table Project in C teaches you how to create a simple Multiplication Table using computer programs. This is a …

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Bouncing Ball in C with Source Code

Bouncing Ball in C with Source Code

This bouncing ball program in C teaches you how to create a simple bouncing ball game using computer programs. In the console interface, the ball keeps moving. It reverses course …

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Sudoku Game Code in C with Source Code

Sudoku Game Code in C Language with Source Code

You will learn how to create your own puzzles and how to solve existing ones by using computer programs with this sudoku game in C language source code. The puzzle …

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Calculator in C with Source Code

Calculator in C with Source Code

You will learn how to make a simple calculator program in C in this article. This simple calculator is one that can perform addition, subtraction, multiplication, and division, modulus, power …

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Alarm Clock Program in C with Source Code

Alarm Clock in C with Source Code

The Alarm Clock project that was written in C was developed as a simple console application. There will be a clock that appears, and it will display the current time …

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Quiz Game in C with Source Code

Quiz Game in C with Source Code

This quiz game mini project in C is a consoled based application created using c programming language. This system is a simple mini project and compiled in Code::Blocks IDE using …

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Guessing Game in C with Source Code

Guessing Game in C Programming with Source Code

The Guessing Game in C Programming is a console-based application that was developed with the help of the c programming language. This program is a straightforward little side project that …

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Student Database Management System Project in C

student management system in c with source code

This Student Database Management System in C Language is a consoled based application created using c programming language. This system is a simple mini project and compiled in Code::Blocks IDE …

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Employee Record Management System in C with Source Code

employee record management system in c with SOurce Code

This Employee Record Management System Project in C is a consoled based application created using c programming language. This system is a simple mini project and compiled in Code::Blocks IDE …

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Gym Management System Project in C with Source Code

Gym Management System Project In C With Source Code

The Gym Management System in C is developed using C programming language. This gym system code in c tracks the memberships, coach and staff for a fitness gym. A gym system …

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Frequently Asked Questions

Are these C projects free for capstone and thesis use?
Yes. All C projects on itsourcecode.com are free to download, modify, and submit. No attribution required for academic use. Most are MIT-licensed.
What compiler should I use — GCC, MinGW, Turbo C, or Code::Blocks?
GCC / MinGW for new projects — modern C standards (C11/C17/C23), clean compiler errors, free. Code::Blocks if you want a free IDE bundled with GCC. Turbo C / Turbo C++ only if your school requires it — but Turbo C compiles C89 from 1989 and will not accept modern syntax. Move to GCC the moment your school lets you.
Why does gets() / scanf("%s") not work safely?
gets() has no buffer-size check and was removed from C11 — use fgets(buf, sizeof(buf), stdin) instead. scanf("%s", buf) reads until whitespace and overruns buffers — use scanf("%99s", buf) to cap input. Most older projects on the site use these unsafe functions because they target Turbo C; if you are on modern GCC, just swap them out.
How do I handle file I/O safely in C?
Always check the return of fopen() before using the FILE pointer. Always fclose() when done. For text records, use fprintf() plus fgets(). For binary records, use fwrite() plus fread() on structs. Do not mix text and binary modes on the same file — Windows handles them differently.
Do these compile on macOS and Linux?
Yes — install gcc (Linux) or Xcode Command Line Tools (macOS), then gcc project.c -o project && ./project. The only exception is Turbo C-specific projects using conio.h, graphics.h, or BGI graphics — those are DOS-era APIs and need wrappers (or replacement) on modern systems.
Can these C projects pass as full capstones?
Most are mini-projects appropriate for 1st-2nd year coursework, not full capstones. For capstone-scale projects, use Python, Java, PHP, or Django instead. C is for foundation practice.
How often is this C projects list updated?
New C projects are added periodically. Last refreshed May 2026.