Open-source alternatives to Freeline

Dagger is a programmable CI/CD engine and containerized task runner designed to orchestrate build and test pipelines. It functions as an incremental build system that manages containers, filesystems, and secrets through a typed API to ensure consistent execution across local and cloud environments. The engine utilizes a language-agnostic client-server API to allow multi-language pipeline orchestration, enabling the sharing of typed artifacts and state across different SDKs without manual serialization. It optimizes execution through content-addressable caching and a directed acyclic graph to

ReScript is a statically typed programming language and compiler designed to transform type-safe source code into efficient, human-readable JavaScript. It functions as a transpiler that enforces data consistency and prevents runtime errors through static type analysis for both web and server applications. The project distinguishes itself as an incremental build system that analyzes dependency graphs to recompile only modified files and their dependents. It includes a JSX compatible compiler for building user interfaces and provides a framework for bridging type-safe code with existing JavaScr

Robyn is a high-performance asynchronous web framework and server for Python that utilizes a Rust-powered runtime to execute code. It functions as an asynchronous Python web server designed to handle many concurrent requests efficiently through a multithreaded execution model. The project includes specialized capabilities for AI agent request routing, managing communication between agents and external tools. It also serves as a WebSocket communication server, maintaining persistent bidirectional channels for real-time data exchange. The framework covers a broad range of web infrastructure, i

This project is an Android RPA framework designed for automating user interfaces and system tasks on rooted Android devices using Python and ADB. It provides a suite of tools for rooted device management, allowing for programmatic control of system settings, application lifecycles, and shell command execution via a remote API. The framework distinguishes itself through a combination of dynamic instrumentation and AI integration. It can inject scripts into running processes to hook Java interfaces and modifies application behavior in real time. Additionally, it supports large language model in

This project is a dynamic code delivery system and over-the-air update client for cross-platform mobile frameworks. It enables the distribution of JavaScript bundles and remote assets directly to devices, allowing updates to be applied without requiring a full application store release. The system provides infrastructure for staged rollouts, A/B testing, and remote hotfix deployment by directing specific user segments or percentages to different code versions. It ensures stability through a client-side rollback manager that automatically reverts to a previous stable version if a new update ca

This project is an Xcode runtime code injector and developer productivity tool. It enables the injection of Swift and Objective-C code changes into a running application without requiring a process restart, functioning as a hot module replacement tool for iOS development. The tool provides a dynamic UI debugger for reloading storyboards and tuning visual parameters in real time. It allows for the recompilation of individual classes and the binding of new implementations into a live process, avoiding full project rebuilds. The system covers runtime injection capabilities, including automated

tModLoader is a modding framework and toolset designed for expanding game content and extending core game logic. It provides a polymorphic content API that allows for the creation of new items, NPCs, projectiles, and world assets through object-oriented inheritance. The project is distinguished by its advanced code modification capabilities, utilizing intermediate language bytecode patching and reflection-based private access to alter internal game behavior. It features a hot-reloading assembly runtime that enables developers to recompile and apply source code changes in real-time without res

Expo is a universal mobile framework designed to build native iOS and Android applications from a single codebase using web-standard technologies. It provides a comprehensive development environment that includes a unified runtime for testing, cloud-based infrastructure for compiling and signing native binaries, and automated tools for managing the entire mobile release lifecycle, including app store submission. The framework distinguishes itself through a plugin-based native configuration engine that programmatically modifies project files, allowing developers to integrate native modules wit

Tasmota is a universal firmware platform for ESP8266 and ESP32 microcontrollers, designed to provide local control and management of smart home hardware. It functions as an event-driven automation controller that replaces proprietary factory firmware, allowing users to manage relays, sensors, and lighting systems without relying on external cloud services. The system is built on a modular driver architecture that enables dynamic hardware configuration and peripheral support through a web-based management interface. The platform distinguishes itself through a template-driven hardware mapping s

This project is a command-line utility and development framework designed to modify, extend, and customize the Spotify desktop client. It functions as a binary patching engine that injects custom scripts, stylesheets, and interface components directly into the host application, enabling users to alter visual themes and add new functionality. The tool distinguishes itself by providing a comprehensive development environment for building modular extensions and custom applications. It includes a hot-reloading pipeline for rapid iteration, a declarative library for constructing interactive UI pan

Capacitor is a cross-platform mobile framework that enables developers to build native applications using web technologies. It functions as a hybrid app container, wrapping web assets within a native runtime that provides a standardized bridge to device hardware and system-level services. By exposing native functionality through a plugin-based architecture, it allows web applications to access platform-specific features while maintaining a consistent interface across mobile and desktop environments. The project distinguishes itself by maintaining native project files as source assets, allowin

ET is a C# game server framework and distributed actor model runtime designed for large-scale multiplayer environments. It provides a comprehensive toolkit for building distributed game backends, incorporating a multiplayer network transport layer and a specialized suite for game AI and pathfinding. The framework is distinguished by its use of a distributed actor model to scale processing across multiple threads and servers, utilizing isolated actors for state management and messaging. It features a unified codebase architecture that allows shared logic between the server and client, enabling

BrowserSync is a web development synchronization tool and live reload server. It functions as a local static web server, a reverse proxy server for existing sites, and a browser testing orchestrator that coordinates page state across different browsers and physical devices. The tool is distinguished by its ability to mirror user interactions, such as clicks, scrolls, and form inputs, in real time across all connected devices. It also provides a web-based device control interface and the capability to create public URL tunnels for remote testing of local sites. The system covers a broad range

Play is a full-stack reactive web framework for Java and Scala. It provides a comprehensive development platform for building scalable web applications and RESTful APIs using a stateless and non-blocking architecture designed for high concurrency. The framework emphasizes high-velocity development through dynamic code reloading, which allows developers to update applications and verify changes without performing a full restart. Its capability surface covers the construction of JSON-based web endpoints, server-side logic for the JVM, and the implementation of scalable web architectures.

Proton Native is a cross-platform desktop framework that compiles React code into native applications for Windows, macOS, and Linux. It enables developers to build desktop applications using the same component syntax and patterns as React Native, with the ability to reuse existing React Native components with minimal modifications. The framework integrates a flexbox layout engine for positioning native desktop widgets and embeds the Node.js runtime for direct filesystem and system-level access. The framework translates React component trees into native desktop widgets through a bidirectional

dnSpy is a specialized suite of tools for the reverse engineering of .NET assemblies, functioning as a decompiler, assembly editor, and debugger. It translates compiled intermediate language back into high-level source code and provides an execution environment for stepping through compiled binaries to inspect runtime state without the original source files. The project includes a BAML decompiler that converts binary application markup language into a disassembled format and translates it into extensible markup language for user interface analysis. It also functions as a binary analysis tool

Snowpack is an ESM-powered frontend build tool and development server that serves native ES modules directly to the browser. By eliminating the bundling process during development, it enables nearly instant server startup and unbundled frontend development. The project features a framework-aware hot module reload system that preserves component state during updates, with specific Fast Refresh integration for React, Preact, Svelte, and Vue. It also acts as a modern web transpiler, automatically converting TypeScript, JSX, and CSS Modules into browser-compatible code without requiring manual co

radare2 is a reverse engineering framework and binary analysis toolset. It functions as a multi-architecture disassembler, low-level binary debugger, and hexadecimal editor for inspecting executable structures and interpreting machine code when original source files are unavailable. The framework provides capabilities for decompiling machine instructions, performing symbolic analysis, and diffing binary files to identify structural changes across versions. It also includes a digital forensic analyzer and disk analyzer for browsing filesystem formats in userland. The toolset supports binary p

Fission is a function-as-a-service platform and serverless framework for Kubernetes. It manages the lifecycle and execution of code snippets as serverless functions, providing an orchestrator that triggers these functions based on HTTP requests, message queues, or scheduled events. The platform features a cold-start optimized runtime that utilizes warm container pools and dynamic loaders to achieve millisecond execution. It includes a native autoscaler to adjust the number of function instances based on real-time traffic demand and supports canary release testing to split incoming traffic bet

MonkeyDev is a developer toolset for building, injecting, and deploying system extensions and custom dynamic libraries into mobile applications. It functions as an application patching tool and dynamic library injector designed to modify how mobile applications operate. The project provides a development environment for creating system extensions and tweaks, including tools for injecting libraries into decrypted binaries to enable debugging and symbol restoration on non-jailbroken hardware. It features a command-line interface for deploying hooks into system processes and third-party applicat

This project is an Android application patching tool and Magisk system module generator. It is designed to apply custom modifications to application packages and generate modules that install these patched binaries into the system partition of rooted Android devices. The tool incorporates a root-based application installer that utilizes specialized mounting methods, such as Zygisk application mounting, to bypass root detection warnings and mount errors. It further distinguishes itself by automating the retrieval of application binaries from external mirrors based on specific device architectu

Unlocker is a patching tool designed to enable the installation and booting of macOS guest operating systems on non-Apple hardware. It functions as a macOS guest enabler by modifying virtualization software binaries to bypass hardware restrictions and support OS combinations that are not supported by default. The project provides a mechanism to emulate Apple-specific device signatures by intercepting calls between the virtual machine manager and the hardware. It also includes a driver image provider that delivers ISO images containing the necessary utilities and drivers for guest installation

SpotX is a desktop client patcher designed to modify the Spotify application. It functions as an ad-blocking modifier and UI customizer that removes advertisements and promotional content from the music player. The project includes tools to disable automatic updates, ensuring that custom patches and visual themes remain active. It also provides a telemetry blocking patch to prevent the application from sending usage data and analytics to the service provider. The tool enables interface customization to hide specific sections, such as podcasts and audiobooks, from the homepage. These modifica

Koishi is an open-source framework for building multi-platform chatbots, designed around an adapter-driven architecture that lets a single bot connect to multiple messaging services with consistent logic. It provides a plugin-based development platform with hot reload support, enabling developers to write and update bot extensions using TypeScript without restarting the application. A web-based management console offers a graphical interface for configuring plugins, commands, permissions, and monitoring runtime status. What distinguishes Koishi is its combination of a dynamic plugin lifecycle

This project is a collection of utilities designed for the localization and modification of a multi-platform SSH client. It serves as a cross-platform application translator and premium unlocker, providing the means to translate the software interface into Chinese and bypass authentication and trial restrictions. The toolset implements binary patching and asset replacement to enable offline application access by skipping mandatory login processes. It specifically modifies internal application flags to unlock premium functionality across Windows, macOS, Linux, and Android platforms. The proje

Atlas is a modularization system and dynamic component framework for Android. It functions as a class isolation layer and incremental update engine, allowing application logic and resources to be decoupled into independent bundles that are loaded at runtime. The project distinguishes itself by providing physical bundle isolation through custom class loaders to prevent dependency conflicts and bypass method count limits. It enables the deployment of remote components and incremental patches, using bytecode diffs and resource patching to update specific application parts without requiring a ful

This project is a suite of tools for scraping remote assets, applying binary modifications, and orchestrating the distribution of patched Android applications. It functions as an automated build pipeline that fetches remote assets and compiles patched binaries into installable packages. The system includes a specialized remote asset downloader designed to fetch application files and version metadata from remote servers while bypassing bot protections. It also operates as an Android app distribution system that uploads modified binaries to a repository and sends update notifications via Telegr