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

Hangman Game In C With Source Code

Hangman Game In C With Source Code

The hangman game code in c is developed using C programming language. This hangman game in c programming is about guessing letters (A-Z) to form the words. A hangman game is a …

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Pacman Game in C with Source Code

Pacman Game in C with Source Code

C is the programming language that was used in the creation of the Pacman game project in C with source code. While attempting to find your way through a labyrinth, …

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Snakes and Ladders Game in C Language with Source Code

Snakes And Ladders Game in C Language With Source Code

The Snakes And Ladders Game project in C With Source Code is developed using C programming language. This simple Game is good for the students or beginners who wants to learn …

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Bus Reservation System Project In C With Source Code

Bus Reservation System in C Language with-Source Code

The Bus Reservation System In C Language With Source Code is developed using C programming language. In this bus reservation system in c helps the user to reserve bus tickets. A source …

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Snake Game Program In C With Source Code

Snake Game Program In C With Source Code

The Snake Game with Source Code is developed using C programming language. This snake game in c is a basic console program with no graphics. And this snake game in c …

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Customer Billing System Project in C With Source Code

Customer Billing System Project in C With Source Code

The C Program For Customer Billing System is a simple console application designed to demonstrate the practical use of the C programming language and its features as well as generate …

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Phone Book Management System In C With Source Code

Phone Book Management System In C With Source Code

The Phone Book Management System project is developed in the C programming language. It allows you to perform simple phonebook operations like on your mobile. You can add, list, modify, …

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Tourism Management System Project in C with Source Code

Tourism Management System Project in C with Source Code

The Tourism Management System in C is a consoled based application and created using c programming language. This system is a simple mini project and compiled in Code::Blocks IDE using GCC compiler. This simple …

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Number System Conversion in C with Source Code

Number System Conversion Project in C with Source Code

The Number System Conversion project in C is a consoled based application and created using c programming language. This system is a simple mini project and compiled in Code::Blocks IDE using GCC compiler. …

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Contact Management System Project in C with Source Code

contact management system in c with Source Code

This Contact Management System 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 GCC …

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Car Rental System Project in C with Source Code

Car rental system in C with Source Code

This Car Rental System 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 GCC …

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Stock Management System Project in C with Source Code

Stock Management System Project in C with Source Code

This Stock Management System 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 GCC …

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Airline Reservation System Project In C With Source Code

The Airline Reservation System In C With Source Code is developed using C programming language. This airline reservation system in c source code is a console application that can let you …

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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.