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Alon

Alon is a browser-based IDE for developing Solana programs, with in-browser compilation, program execution and testing, and incremental syntax analysis in its editor.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Alon — OpenViST project profile in Developer Tools.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Alon when you want a browser-based environment for editing, compiling and testing Solana programs.

Who it is for

Developers building or iterating on Solana programs.

Documented uses

  • Write and revise Solana program source code.
  • Compile Solana programs in the browser using a WebAssembly port of Solana’s compiler suite.
  • Run and test programs with JavaScript implementations of program virtual-machine syscalls.
  • Update syntax analysis incrementally as code changes.
Before you choose

Requirements & limits

  • Compilation uses a WebAssembly port of Solana’s compiler suite, while program execution and testing use JavaScript syscall implementations.
  • The repository lists React, Tailwind, Treesitter, Emscripten, Monaco Editor and LLVM with Solana BPF as project technologies.
  • The project is open source under the Apache-2.0 license.
  • Deploying or upgrading programs through the interface appears on the project roadmap, rather than among the described current capabilities.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Start Alon’s development server

Run Alon’s development server on port 3000 from its source repository.

Before you start

  • The Alon source repository.
  • Yarn available in the development environment.

Steps

  1. Open the Alon repository in a terminal.

  2. Run yarn start to start the development server on port 3000.

Expected outcome

Alon’s development server starts on port 3000.

Guide limitations

  • The source documents starting the development server, but not using the IDE or its Solana program workflows.
Documentation 1 ↗
Source-based practical guide

Build and deploy Alon to GitHub Pages

Build a release version of Alon and deploy it to GitHub Pages.

Before you start

  • The Alon source repository.
  • Yarn available in the development environment.

Steps

  1. Open the Alon repository in a terminal.

  2. Run yarn build to build a release version.

  3. Run yarn deploy to deploy Alon to GitHub Pages.

Expected outcome

A release build is produced and the documented deployment step is run for GitHub Pages.

Guide limitations

  • The source does not describe deployment configuration or how to verify the deployed site.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
16 October 2026
Original website title
lithdew/alon · Official homepage title · retained in its source language
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