Open-source alternatives to Clasp

PRAW is a Python wrapper for the Reddit API, functioning as a REST API client and social media data crawler. It provides a programmatic interface to fetch data, manage account content, and interact with the platform. The library implements a comprehensive OAuth 2.0 client supporting multiple authorization flows, including password, implicit, and refresh tokens, as well as read-only guest access. It distinguishes itself through a rate-limit-aware request scheduler that tracks server-side throttling to prevent API quota exhaustion and employs lazy-loading resource objects to fetch data only whe

The Google API PHP Client Library is a development kit for interacting with Google Cloud services and APIs. It provides standardized service interfaces to retrieve and manipulate data, serving as a comprehensive SDK for executing network requests across Google cloud platforms. The library features a specialized authentication handler for OAuth 2.0, managing authorization flows, access tokens, and offline access via refresh tokens. It includes a service account authenticator that uses JSON key files or application default credentials for server-to-server communication, as well as mechanisms fo

GAM is a command-line tool for administering Google Workspace and Cloud Identity. It translates command-line arguments into structured API calls, enabling administrators to manage users, groups, organizational units, and domain settings across a Google Workspace environment. The tool handles authentication through OAuth2 flows, service accounts, and workload identity federation, and supports multi-tenant configurations for managing multiple domains or cloud projects from a single installation. GAM distinguishes itself through its batch processing and automation capabilities. It can process la

This is a serverless deployment command-line interface used for packaging, deploying, and managing the lifecycle of serverless functions in a cloud environment. It acts as a cloud service orchestrator to coordinate remote service registries, environment configurations, and custom domain routing. The tool provides a remote function invoker that maps local procedure calls to cloud endpoints via HTTPS and a distributed log aggregator to monitor execution logs for remote debugging. It manages secure access through a cloud identity manager that handles authentication tokens for API requests. The

gogcli is a single command-line binary that manages Gmail, Drive, Calendar, Docs, Sheets, Slides, Forms, Apps Script, Contacts, People, Tasks, Classroom, Chat, Groups, Keep, and Workspace Admin services through a predictable service resource method grammar. It authenticates across multiple Google accounts using OAuth, service accounts, access tokens, or application default credentials, storing credentials in the OS keyring for secure persistence. The tool also exposes a Model Context Protocol server over stdio that registers typed tools for agent clients, and can invoke any Google Discovery-

The Snyk CLI is a command-line security scanner that detects known vulnerabilities across open-source dependencies, proprietary application code, container images, and infrastructure-as-code configuration files. It also serves as a platform management tool, allowing users to configure organizations, users, SSO, and reporting from the terminal rather than the web dashboard. The CLI integrates directly into development workflows, enabling scanning within IDEs, build pipelines, and version control systems. It implements static analysis with interfile data flow analysis to find complex security f

Thunder Client is a REST API client extension for VS Code that functions as an HTTP request manager, testing tool, and mocking workspace. It allows users to send requests, organize them into collections, and manage API configurations directly within the editor. The project distinguishes itself through a command-line interface for executing automated test suites in CI/CD pipelines and a Git-based synchronization system for sharing request collections and environment configurations across teams. It also incorporates artificial intelligence to automate the conversion of API scripts during migrat

This project is a JavaScript client library and SDK for interacting with the Notion REST API. It provides typed methods and utilities to programmatically manage pages, databases, and workspace resources within a Notion environment. The SDK includes tools for implementing OAuth 2.0 authorization flows to grant third-party application access to workspace content. It features mechanisms for handling cursor-based pagination via asynchronous iterators and implements exponential back-off retries to manage rate limits and transient server errors. The library covers a broad range of capabilities, in

Authlib is a comprehensive Python library for building and integrating OAuth 1.0, OAuth 2.0, and OpenID Connect clients and servers. It provides a unified set of tools to manage authentication and authorization flows, allowing applications to either act as a client connecting to external identity providers or as a provider issuing tokens and managing user identities. The project distinguishes itself through a full implementation of the JOSE standards, offering a suite of cryptographic tools for generating, signing, encrypting, and validating JSON Web Tokens, Signatures, Encryption, and Keys.

Authlib is a comprehensive Python framework for implementing OAuth 1.0, OAuth 2.0, and OpenID Connect clients and servers. It provides a complete toolkit for identity management, spanning the development of authorization servers, resource servers, and client-side integrations. The library distinguishes itself through a full implementation of the JOSE specifications, including JSON Web Tokens, Encryption, Signatures, and Keys. It features specialized capabilities for non-interactive authentication via service account assertion frameworks and a compliance-correction layer designed to handle ide

This project is a collection of Go packages and a programmatic interface for interacting with Google services and Google Cloud resources via REST APIs. It functions as a client library and SDK that transforms raw HTTP requests into structured Go function calls. The library utilizes discovery-based client generation to create type-safe clients from API discovery documents. It separates the acquisition of authorization tokens from the request logic through a token-source based authentication model. The project covers identity management and authentication via OAuth 2.0, service accounts, and A

ZenML is an orchestration platform designed for building, deploying, and monitoring reproducible machine learning pipelines and agentic workflows. It provides a unified framework that manages the entire lifecycle of machine learning assets, from data processing and model training to the deployment of persistent inference services. By decoupling pipeline logic from underlying compute and storage, the platform enables teams to transition workflows seamlessly from local development environments to production-grade cloud infrastructure. The platform distinguishes itself through a service-oriented

AI Town is a TypeScript-based simulation engine used to create virtual environments where autonomous characters interact and socialize. It functions as a framework for orchestrating multiple AI agents within a persistent digital world, utilizing language models and a game engine to drive character behavior and social interactions. The project differentiates itself through a dedicated agent sandbox and a vector database agent store, which allow for the management of agent memories and world state. It integrates generative AI for background music and provides tools for simulation world design,

git-extras is a collection of command line utilities that extend the functionality of the Git version control system. It provides a suite of shortcuts and additional commands for history manipulation, remote management, repository analysis, and workflow automation. The project distinguishes itself by offering deep integration with hosting providers to manage pull requests and forks, alongside advanced history tools for obliterating sensitive files and rewriting author metadata. It also includes a specialized interactive shell that allows users to execute commands without repeating the binary

Octokit is a JavaScript API client and REST API wrapper designed for executing authenticated requests to GitHub from browser-based environments. It serves as a programmatic interface for managing repositories, issues, pull requests, and user profiles. The library provides a high-level wrapper that organizes API functionality into resource-specific namespaces. It implements an asynchronous promise interface and includes mechanisms for pagination-aware data fetching and rate-limit tracking to prevent service interruptions. The tool covers a broad range of administrative capabilities, including

This is a Go library for obtaining, refreshing, and attaching OAuth 2.0 access tokens to HTTP requests. It provides a generic token source interface with interchangeable implementations for different OAuth 2.0 grant types, and wraps the Go net/http transport layer to automatically attach access tokens as Authorization headers on outgoing requests. The library supports the authorization code flow, generating consent page URLs and exchanging authorization codes for tokens. It also implements the device authorization grant for authentication on devices without a browser, and the resource owner p

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

This is a backend-as-a-service SDK that connects web and mobile applications to a suite of cloud services. It provides a unified interface for managing user identity, executing serverless logic, and handling cloud object storage. The toolkit is characterized by its real-time data synchronization, which allows NoSQL document data to stay consistent across multiple clients with built-in offline persistence. It facilitates secure user access through a variety of identity providers and manages serverless function invocation to execute backend logic in response to HTTPS requests or database events

sofa-rpc is a Java-based remote procedure call framework designed for executing remote functions and exchanging data between distributed applications. It serves as a distributed service orchestrator and communication tool, providing a registry-integrated manager to locate and track active network endpoints across a cluster. The framework is built with an interface-based plugin architecture, allowing internal logic and RPC behaviors to be customized through abstraction interfaces. This extensibility enables the implementation of specialized business logic without modifying the core system. Th

iBook is a self-hosted e-book library management system that allows individuals or organizations to set up and maintain their own digital collection. The platform provides durable storage for e-book files and their associated metadata, a RESTful API for library operations, static file serving for direct browser downloads, and a self-contained deployment model that runs on a user's own server. Beyond the core library functionality, iBook includes a freely accessible digital archive of technical and general e-books in EPUB and PDF formats, role-based access control for catalog and administrativ

Discordgo is a Go library for building Discord bots and integrations, providing a complete client for both the Discord REST API and the real-time Gateway WebSocket protocol. It serves as a foundational package for developers who need to connect authenticated clients to Discord servers, send messages, handle events, and manage real-time communication programmatically. The library distinguishes itself through a comprehensive set of architectural components designed for production bot development. It includes a command routing middleware system that parses incoming messages and dispatches them t

Dockerode is a Node.js library that provides programmatic management of Docker containers, images, and volumes by acting as a wrapper for the Docker Remote API. It enables JavaScript applications to interact with a Docker engine via Unix sockets or TCP network interfaces. The project covers container lifecycle management, including launching instances and executing commands with bidirectional input and output streaming. It also provides capabilities for building container images, pulling images from registries, and configuring virtual networks. Additional functionality includes the coordinat

Kitematic is a graphical user interface for managing and running Docker containers on desktop operating systems. It serves as a visual Docker management tool and API client that translates user interface interactions into REST API calls to control the Docker daemon without requiring the command line. The application is built as a cross-platform Electron desktop application, utilizing a Chromium-based shell to provide a consistent administrative interface across Mac and Windows. The software covers the full container lifecycle, including the creation, configuration, and monitoring of containe

Boto is a Python SDK and API wrapper for Amazon Web Services. It serves as a programmatic interface for managing and automating cloud infrastructure, mapping cloud-side resources to native Python objects and methods. The library provides tools for the programmatic control and orchestration of compute, storage, networking, and database resources. It enables the automation of infrastructure deployments and the management of virtual servers, container services, and serverless functions. Capability areas include identity and access management, cloud monitoring and observability, and the administ

Elasticvue is a management user interface and graphical dashboard for Elasticsearch clusters. It serves as a cluster browser and administration tool, providing a visual way to monitor cluster health, manage indices, and browse documents without writing raw JSON. The project is delivered as a cross-platform application, available as a browser extension, a standalone desktop application, or a containerized web service via Docker. The interface covers cluster administration, including the management of shards, aliases, and snapshot repositories for backups. It also includes data exploration too

Codeception is a full-stack testing framework for PHP applications that provides a unified interface for unit, functional, and acceptance testing. It serves as a tool for automating real desktop and mobile browsers via the WebDriver protocol and acts as a client for testing REST and SOAP APIs. The framework is distinguished by its support for Behavior-Driven Development, allowing users to write human-readable test specifications in Gherkin language to align technical tests with business requirements. It implements actor-based action mapping to connect these natural language steps to executabl

Exercism is a programming exercise platform that provides a multi-language learning curriculum designed to teach language syntax and idiomatic patterns. It combines a web-based environment for managing coding challenges with a peer-to-peer code review system. The platform distinguishes itself by integrating local development workflows, allowing users to solve exercises in their own editors and submit them via a command line tool. It facilitates a mentorship model where learners receive qualitative feedback and critiques from experienced developers to improve code readability and performance.