Open-source alternatives to Tmpmail

This project is a collection of POSIX-compliant shell functions and polyfills designed to replace external binaries with portable, built-in utility implementations. It serves as a compatibility library and utility kit for shell scripting, providing shell-native alternatives to common command line utilities. The library focuses on removing dependencies on external processes by implementing tasks directly within the shell. This includes the use of shell-native sequences for terminal user interface design, such as text coloring and cursor movement, and the use of built-in pattern matching for te

This is a Ruby HTTP client designed for REST API integration, resource modeling, and automated network communication. It provides a set of tools for managing headers, cookies, and SSL configurations, along with a dedicated command-line interface for executing one-off HTTP commands and managing interactive API testing sessions. The project differentiates itself through its resource modeling capabilities, which allow for the definition of persistent base URLs and credentials to construct nested subresource endpoints. It also features a multipart request handler that detects MIME types to upload

This repository is a collection of implementation examples and reference scripts for integrating with the YouTube Data, Analytics, and Live Streaming APIs. It provides code samples for automating video platform workflows and interacting with REST endpoints to manage channel content and metadata. The project distinguishes itself by providing specific implementation patterns for secure OAuth 2.0 authorization flows, including token exchange and credential management. It also includes specialized samples for handling large-scale data transfers via resumable upload protocols and managing real-tim

This is a Go client library for interacting with the Slack API, providing a programmatic interface to manage channels, users, and workspace settings. It functions as a bot framework and event handler, allowing for the development of automated assistants that respond to workspace activities. The library includes a dedicated Block Kit builder for constructing complex UI layouts, such as interactive elements, data tables, and visualizations, for rich messaging. It also provides a full implementation for managing user authentication and identity verification through OAuth2 and OpenID Connect. Br

The SxT-Python-SDK is a Python library and SQL database client designed for executing queries and managing database schemas via the Space and Time API. It serves as a programmatic interface for interacting with a decentralized data warehouse. The SDK provides tools for decentralized database management, including the ability to define and create table structures and establish views. It enables blockchain data analysis by allowing users to run SQL statements to extract and manipulate on-chain data. The library handles the full data lifecycle from authentication to export. It manages session t

Fast-F1 is a Python data library and telemetry analyzer designed for Formula 1. It serves as a programmatic API wrapper to retrieve and process timing data, session results, and high-frequency vehicle sensor metrics. The project provides specialized tools for motorsport performance benchmarking and visualization. It enables the comparison of vehicle telemetry, such as speed traces and gear shifts, and generates spatial track maps with speed and corner overlays. The library covers a broad range of data retrieval and analysis capabilities, including the extraction of racing schedules, champion

FastHub is a native Android mobile client designed for managing GitHub repositories, issues, and pull requests. It provides a visual interface for interacting with Git version control, acting as a repository manager for editing files, tracking project milestones, and handling account administration from a handheld device. The application supports multi-account authentication, allowing users to connect via tokens or passwords to access different user profiles and enterprise accounts. It distinguishes itself with offline repository browsing, utilizing local database caching to view project data

Serenity is a Rust library and framework designed for interacting with the Discord API. It serves as a Discord bot framework, gateway client, and REST wrapper, providing the necessary tools to build automated applications and integrate custom software with the Discord platform. The project enables the development of real-time chat automation and the implementation of custom Discord commands. It facilitates Discord API integration through both a typed interface for resource management and a persistent connection handler for receiving state updates and events. The library covers broad capabili

TelegramBots is a bot framework for Java and a client for the Telegram messaging platform. It provides the tools necessary to build automated assistants that communicate with the messaging API to send and receive messages and manage user interactions. The project enables the creation of conversational interfaces through custom keyboards and inline buttons. It supports the delivery of multimedia content, allowing bots to send and receive documents, photos, and other media files. The framework handles bot updates via polling or webhooks and supports the implementation of automated messaging wo

This project provides technical documentation and reference guides for spot trading, including specifications for REST, WebSocket, and FIX protocols. It serves as a comprehensive resource for integrating with spot trading endpoints to execute trades, query account data, and fetch market statistics. The project distinguishes itself by supporting institutional-grade connectivity through the Financial Information eXchange standard and simple binary encoding to reduce latency and payload size. It also includes a dedicated sandbox environment for validating trading logic and strategies without fin

This project is a Ruby wrapper for the Twitter API, providing a programmatic interface to interact with the platform's REST and streaming endpoints. It serves as an API client for managing social content, users, and account activity. The library includes specialized tools for real-time data streaming, allowing the acquisition of live public posts, account events, and user activity. It differentiates itself with advanced media handling, such as chunked uploading for large files, and integrated traffic management to monitor rate limits and detect streaming stalls. Broadly, the project covers c

This project is a Python education repository and programming tutorial designed to teach language fundamentals, from basic syntax and variables to advanced concepts. It serves as a data science starter kit and a guide for REST API integration. The repository provides instructional scripts and sample code covering object-oriented programming patterns and asynchronous programming. It includes practical demonstrations for fetching and processing JSON data from external web services using HTTP requests. The materials cover a broad capability surface including data analysis workflows with interac

This project is a promise-based HTTP client for Node.js that wraps callback-style network requests into promise objects. It serves as a library for sending JSON, form data, and multipart requests to web servers while managing asynchronous flow control. The library utilizes a specialized Bluebird promise implementation to handle request and response lifecycles. It includes a session manager that uses a cookie jar to maintain and transmit state across multiple network calls. The tool covers a broad range of network capabilities, including REST API integration, response data transformation, and

Passbolt is an open-source, self-hosted password manager designed for teams. It provides a centralized, encrypted vault where organizations can store, share, and manage credentials securely. The server exposes a JSON REST API that authenticates requests using either GPGAuth or JWT tokens, and all secrets are protected with OpenPGP end-to-end encryption, ensuring the server never has access to plaintext passwords. The platform distinguishes itself through a comprehensive role-based access control system that governs resource sharing and administrative actions. Teams can organize users into gro

osTicket is an open-source help desk software and ticket management system designed to centralize customer support inquiries from emails, web forms, and API requests. It functions as a multi-channel support tool that converts incoming communications into a structured queue for agent resolution and IT help desk management. The platform features a dedicated customer support portal where users can submit requests, track ticket status, and access a self-service knowledgebase of help articles and FAQs. It integrates secure OAuth2 email authentication to retrieve and send messages without storing l

Himalaya is a command line email client and a suite of toolsets for email protocol implementation. It provides a terminal-based interface for managing email accounts using IMAP and SMTP protocols. The project includes a PIM framework and specialized libraries for building personal information management applications that integrate emails, contacts, calendars, and tasks. It features a PGP email encryptor for end-to-end encrypted communication and an email data exporter that extracts messages and metadata into JSON format for use in external scripts. The system covers a broad range of email ma

FlutterDouBan is a cross-platform social media client and media community application built with Flutter. It serves as a mobile interface for discovering and tracking books, movies, and music while providing access to community feeds and user profiles. The project functions as an integration sample that demonstrates how to fetch and display live platform data from external APIs. It includes a simulation layer to interchange live network calls with local mock data for development and testing. The application covers a broad capability surface, including media catalog interfaces, community foru

Sub-web is a browser-based web interface that converts raw proxy subscription links into structured configuration files compatible with the Clash proxy client. It acts as a frontend for the subconverter backend service, enabling users to generate, manage, and export proxy configurations directly from their browser without server-side processing. The tool distinguishes itself by offering a complete configuration management workflow that includes generating Clash-compatible files from subscription URLs, caching generated configurations in browser local storage with configurable expiration, and

HTTParty is a Ruby HTTP client library designed for building standardized API clients. It abstracts low-level network primitives into a high-level interface, allowing developers to encapsulate base URIs and request configurations within classes to maintain consistent interactions with remote web services. The library automates the transformation of raw network response data into native Ruby structures by using a registry-based system that parses content based on response headers. It also provides specialized mechanisms for sending multipart form data and streaming large payloads to maintain m

acme.sh is a shell-based certificate manager and ACME SSL certificate client. It automates the issuance, renewal, and installation of digital security certificates using a portable Unix shell script to remove dependencies on heavy runtime environments. The project specializes in automated domain ownership verification through a DNS challenge automator that integrates with provider APIs. It supports the generation of diverse certificate types, including wildcard certificates and issuance based on pre-existing certificate signing requests. The tool covers the full certificate lifecycle, includ

This project is an education learning management system designed to track student progress and coordinate technical training paths within a software engineering curriculum. It is implemented as a React single page application that serves as a client for synchronizing student data and educational content. The application utilizes Redux for centralized state management to synchronize user progress across learning modules and integrates with a backend server via a REST API. The system covers student learning management and education workflow coordination, specifically focusing on curriculum pro

Snowflake is a cross-platform mobile app starter designed for building iOS and Android applications using a single JavaScript codebase. It provides a pre-configured boilerplate to accelerate the initial development process for mobile applications. The project includes a Redux state management template for coordinating global application state and persisting user sessions, along with a REST API integration framework for communicating with remote or local servers via HTTP requests. It also features a localization system that maps user interface content into multiple languages based on the devic

This project is a collection of reusable Bash scripts designed for system administration, automation, and command-line utility development. It provides a modular library of tools that leverage POSIX-compliant shell execution and standard stream processing to perform tasks directly within Unix-like environments without requiring additional language runtimes. The collection distinguishes itself by offering a broad range of interactive and automated capabilities, including guided command-line menus, time-tracking timers, and remote file synchronization. These scripts are environment-aware, capab

OctoPrint is a web-based platform for remotely controlling and monitoring 3D printers. It provides a browser dashboard to start, pause, cancel, and track print jobs, while streaming real-time printer status, temperature, and progress updates. The system is built around a plugin-based architecture that allows extending core functionality, and it offers a documented REST API for programmatic printer control and data management. The platform distinguishes itself through its comprehensive automation and extensibility capabilities. It supports event-driven workflows that automatically execute cust

spotifytoytmusic is a music library migration tool designed to transfer playlists and liked songs from Spotify to YouTube Music. It functions as a cross-platform sync utility that recreates music libraries by matching song metadata and titles between the two streaming providers. The tool provides capabilities for full playlist migration and liked song transfer, ensuring that curated collections are rebuilt on the target service. It also serves as a backup utility, allowing users to export music metadata and playlist contents to local files to prevent data loss during provider changes. The

req is a chainable HTTP client library for Go designed to simplify request configuration and automatic response decoding into structures. It provides a fluent-interface request builder that allows developers to incrementally define request properties and encapsulate HTTP logic into reusable API SDKs. The project distinguishes itself with a TLS fingerprint emulator that mimics browser network signatures to bypass bot detection and crawler filters. It also includes a concurrent file downloader that increases transfer speeds by fetching large remote files in parallel segments. The library cover

PocketHub is an Android mobile client and Git client designed for managing GitHub repositories, issues, and pull requests. It functions as a mobile interface and API wrapper that interacts with the GitHub REST API to facilitate account and repository management on mobile devices. The application enables a mobile Git workflow, allowing users to track development progress and review code changes. This includes capabilities for GitHub repository administration and the management of user profiles and account activity. The project implements a mobile interface for interacting with GitHub via REST