Best AvalonStudio Alternatives & Competitors in 2025

Create app flows and components. Express their properties and data linkage visually.

Code::Blocks is a free C++ IDE built to meet the most demanding needs of its users.

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Try for free Open Source freemium

Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.

Integrated environment for building not only native Android but iOS and Windows apps too.

Open-source JavaScript framework to create cross-platform and hybrid game engines, games, emulators, multimedia libraries and apps

Rider is a cross-platform .NET IDE based on the IntelliJ platform and ReSharper.

IDE like C++ Builder and VCL (same components, same properties, same syntax)

A cross-platform IDE for C and C++

Open Source

Eclipse is an open source community, whose projects are focused on building an open development platform comprised of extensible frameworks, tools and runtimes for building, deploying and managing software across the lifecycle.

Lightning-fast and Powerful Code Editor written in Rust.

Open Source

Dcoder is an online compiler, a cloud based IDE for mobile and desktops, where one can code and learn algorithms. Now code, compile, run anytime anywhere.

The GNU Compiler Collection (GCC) is a compiler system produced by the GNU Project supporting...

Open Source

The official site of the Bloodshed Dev-C++ update, which is fully portable, and optionally ships with a 64bit compiler.