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

BMI Calculator in C with Source Code

BMI Calculator in C with Source Code

How to write a program to calculate BMI in c? The BMI Calculator is developed using C Programming Language, in this BMI Formula In C Program calculate your pound and …

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How to Print Integer in C with Source Code [SOLVED]

[SOLVED] How To Print Integer In C With Source Code

This tutorial teach you on how to print an integer in c in easy way. The printing integer in c is developed in C programming language, and This tutorial is …

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Medical Store Management System In C With Source Code

Medical Store Management System In C With Source Code

The Medical Store Management System project In C is developed in C programming language, this Medical Store Management System Code In C is specially designed to add Medical information records …

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Bookshop Management System Project In C With Source Code

Bookshop Management System Project In C With Source Code

The Bookshop Management System In C is developed in C Programming language, and this Bookstore Program In C++ doesn’t contain any login system but a bookshop maintains the inventory program …

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Prison Management System Project in C with Source Code

Prison Management System Project in C with Source Code

The Prison Management System 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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Department Store Management System Project in C

Department Store Management System Project in C with Source Code

The Department Store 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. …

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C Program for ATM Machine With Source Code

ATM Machine in C With Source Code

The c programming ATM project with Source Code is easy to use and understand the instructions. An ATM In C is based on the concept of managing an account personally.  From …

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School Billing System Project in C with Source Code

School Billing System in C with Source Code

The Mini Project for School Billing 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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Hotel Management System Project In C With Source Code

Hotel Management System Project In C With Source Code

The Hotel Management System Project is developed in C programming language with Source Code, this program is adapted to provide us with information on reserving rooms, booking an event, checking …

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Employee Management System Project In C With Source Code

Employee Management System Project In C With Source Code

The Employee Management System is developed in C programming language, this system is based on the concept to generate the Employee’s records and to add their records and update them. …

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Tic Tac Toe Code in C Programming with Source Code

Tic Tac Toe Code in C Programming with Source Code

The Tic Tac Toe Code In C Programming is developed using C programming language. This game is played on a 3×3 grid by two players. A tic tac toe game c …

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Bank Management System in C with Source Code

Bank Management System in C with Source Code

The Bank 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 using GCC compiler. This system …

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Phonebook in C with Source Code

Mini Project for Phonebook in C with Source Code

The phonebook program in C is a console-based application created using the C programming language. This system is a simple mini project and is compiled in the Code::Blocks IDE using …

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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.