Open-source alternatives to Digitalcalculator

Also available in TypeScript --

An MCP server that installs other MCP servers for you

MCP server that gives Claude ability to use OpenAI's GPTs assistants

Simple MCP to give Claude ability to check current time as well as know when holidays are, what is the time distance between dates etc.

A small self-contained alternative to readline and libedit

Monitors and records the CPU and memory usage of Android devices

A simple, modern calculator that uses RPN.

APIMatic Validator MCP Server for validating OpenAPI specs via APIMatic's API with MCP

Convert Any OpenAPI V3 API to MCP Server

A MCP server that enables Claude to discover and call any API endpoint through semantic search. Intelligently chunks OpenAPI specifications to handle large API documentation, with built-in request execution capabilities. Perfect for integrating private APIs with Claude Desktop.

Simple .INI file parser in C, good for embedded systems

MCP server for access to OpenAI's ChatGPT API with Responses API for conversation management

Model Context Protocol server for GraphQL

A simple calculator and unit converter app with Material Design 3 inspired by Windows Calculator

Frigoligo is a wallabag client crafted using Flutter. Its core philosophy is to prioritize pragmatism and adhere to best practices when it makes sense.

A powerful, feature-rich command-line interface for interacting with Model Context Protocol servers. This client enables seamless communication with LLMs through integration with the CHUK Tool Processor and CHUK-LLM, providing tool usage, conversation management, and multiple operational modes.

C++ wrapper for libzip

A new Flutter project.

A simple sound recording app implementing Material Design

MCP Server to Use HuggingFace spaces, easy configuration and Claude Desktop mode.

Bitcoin & Lightning Network MCP Server.