Open-source alternatives to Tx Lcn

Seata is a distributed transaction coordinator and consistency framework designed to maintain data integrity across multiple microservices. It functions as a manager that synchronizes state across separate databases to ensure atomic commits or rollbacks of global transactions. The project provides a toolkit for implementing distributed transaction patterns, using a two-phase commit protocol and centralized status tracking to prevent data anomalies. It orchestrates eventual consistency through state-machine-based tracking and message-driven coordination to handle timeouts and failures in distr

dtm is a distributed transaction framework and workflow orchestrator designed to manage data consistency across microservices. It functions as a centralized coordinator that synchronizes distributed transactions and manages the state and execution flow of complex sequences of distributed tasks. The framework implements several coordination patterns, including Saga, TCC, and XA, to prevent synchronization errors. It specifically provides a multi-language transaction coordinator to synchronize operations across services written in different programming languages and utilizes a reliable messagin

TinyKV is a distributed key-value store designed for storing and retrieving data across multiple nodes with high availability. It functions as a distributed database system that incorporates a dedicated key-value storage engine for raw data persistence and retrieval on individual nodes. The project includes a Raft consensus engine to ensure data consistency and fault tolerance across a cluster of servers. It also features a distributed transaction manager that coordinates atomic commits and concurrency control to maintain data integrity across shards. The system covers cluster membership man

ShardingSphere is a distributed SQL database middleware that provides sharding, read-write splitting, and distributed transaction management for relational databases. It functions as a layer that intercepts SQL queries to distribute data across multiple physical database instances for horizontal scaling. The project is distinguished by its ability to operate as either a standalone transparent database proxy or via direct integration as a JDBC driver. It features a SQL dialect translator that parses queries into abstract syntax trees to convert syntax between different database engines, enabli

pgdog is a PostgreSQL sharding proxy, distributed SQL router, and connection pooler. It is designed to enable horizontal data distribution by splitting tables and indices across multiple independent servers to scale storage and processing capacity. The project distinguishes itself through online resharding capabilities, using logical replication to move data between shards without application downtime. It supports multiple routing strategies, including hash, list, and range-based query routing, and manages distributed atomic transactions using a two-phase commit process to ensure consistency

SpringBoot-Labs is a collection of educational resources and reference implementations for Java backend architecture and distributed systems. It provides practical lab guides and code samples focused on building applications with the Spring Boot framework and designing scalable microservices architectures. The project specifically covers service governance and distributed cloud deployment patterns using Spring Cloud and Spring Cloud Alibaba. It includes a dedicated kit for microservices and a guide for executing remote procedure calls and managing service discovery via the Dubbo protocol. Th

This project is a reference implementation of a distributed system built using Spring Cloud Alibaba, Spring Boot, and JDK 17. It serves as a comprehensive model for implementing a microservices architecture. The system integrates a wide range of distributed patterns, including global transaction coordination for data consistency, OAuth2 and JWT for identity management, and Kubernetes-based container orchestration. It features a dedicated observability stack for distributed request tracing, log aggregation, and service health monitoring. The implementation covers several functional domains, i

Mycat-Server is a MySQL database middleware system that functions as a sharding proxy, distributed database coordinator, and high availability manager. It acts as a proxy layer that routes SQL traffic between applications and multiple backend MySQL database instances to enable horizontal scaling. The system coordinates distributed transactions, generates global unique sequences to prevent primary key collisions, and executes distributed join queries across multiple database shards. It includes a load balancer that performs read-write splitting by directing traffic between primary and slave no

Eventuate Tram Sagas is a framework for managing distributed transactions across microservices. It functions as an event-driven workflow engine that coordinates complex business processes by executing sequences of local operations and maintaining state transitions across independent service boundaries. The framework implements the transactional outbox pattern to ensure atomicity between database updates and message publishing. It coordinates distributed workflows through asynchronous messaging, utilizing a message broker to decouple services and guarantee reliable delivery of commands and rep

Spring Cloud Alibaba is a microservices orchestration framework that provides a standardized programming model for building distributed systems. It functions as a cloud-native integration layer, bridging enterprise application frameworks with distributed infrastructure to manage service discovery, traffic control, and state consistency across complex, multi-part application environments. The framework distinguishes itself through specialized components for managing distributed operations, including aspect-oriented traffic control that enforces flow rules, circuit breaking, and rate limiting a

dtm is a distributed transaction framework and polyglot transaction coordinator designed to maintain data consistency across microservices. It functions as a Saga orchestration engine and a two-phase message coordinator, ensuring that multi-service operations either succeed completely or roll back to a consistent state. The project distinguishes itself by supporting multiple consistency patterns, including Saga, TCC, XA, and outbox patterns, allowing users to select the appropriate model for their specific application requirements. It provides a polyglot integration layer via HTTP and gRPC, e

mall4cloud is a multi-tenant B2B2C e-commerce platform built on a Spring Cloud microservice architecture. It orchestrates independently deployable services with service discovery, configuration, caching, messaging, distributed transactions, object storage, and full-text search to support a marketplace with separate interfaces for platform administrators, merchants, and customers. The platform distinguishes itself through its comprehensive microservice infrastructure, using RocketMQ for event-driven messaging, Seata for distributed transaction coordination across services, and Redis for cachin

YugabyteDB is a distributed SQL database and relational data store designed for horizontal scalability and high availability across multiple nodes or regions. It functions as a cloud-native system that ensures continuous availability and supports PostgreSQL compatible query languages and drivers. The system includes specialized capabilities as a vector database for AI, utilizing high-dimensional indexing to perform similarity searches. It is engineered as a multi-region cloud database that synchronizes data across different geographic locations to maintain global availability. The project co

Spring Cloud Alibaba is a suite of libraries designed to connect distributed Java applications to Alibaba cloud middleware and infrastructure services. It provides a comprehensive set of tools for messaging, configuration, task scheduling, transaction coordination, and service discovery. The project implements distributed infrastructure capabilities including a transaction coordinator for maintaining data consistency across multiple services and a configuration manager for storing external settings in a centralized cloud repository with automatic updates. It includes a distributed job schedul

This project is a comprehensive Java backend engineering guide and technical reference focused on high-concurrency design, distributed systems, and microservices architecture. It provides detailed strategies for decomposing monolithic applications, managing service discovery, and implementing the architectural patterns required for scalable backend environments. The repository distinguishes itself through an extensive collection of big data algorithmic references and database scaling strategies. It covers memory-efficient techniques for analyzing massive datasets, such as Top-K element extrac

Orleans is a .NET distributed actor framework designed for building scalable, cloud-native applications. It implements a virtual actor model where entities with stable identities manage their own state and lifecycle across a cluster of servers. The framework provides a distributed state management system with ACID transaction support and a distributed pub/sub streaming engine for real-time data processing. It distinguishes itself through location-transparent routing, automatic actor activation and deactivation, and elastic cluster scaling that redistributes workloads during node failures. Th

SqlSugar is an object-relational mapping library for .NET that translates C# and VB objects into database queries and tables without requiring raw SQL. It is designed as a multi-database ORM supporting SQL Server, MySQL, PostgreSQL, Oracle, MongoDB, ClickHouse, and other databases through a unified API, and it is compatible with .NET AOT compilation for native ahead-of-time deployment. The library distinguishes itself through high-speed bulk data operations that can insert or update millions of records in seconds using batch processing instead of row-by-row handling. It also provides multi-te

This project is a feature-rich Go client library designed for interacting with Redis. It serves as a comprehensive interface for managing remote data stores, enabling developers to execute standard database commands, handle complex data structures, and perform asynchronous operations within Go applications. The library distinguishes itself through its support for advanced Redis capabilities, including connection pooling, pipelining, and transactional integrity. It provides specialized primitives for managing distributed clusters, including automated topology updates and request routing to sha

JavaSourceCodeLearning is a collection of deep-dive analyses and architectural breakdowns focusing on the internal source code of major Java frameworks and distributed systems. It provides a systematic study of the Java Development Kit internals, the Spring ecosystem, Netty's network architecture, and the distributed system mechanics of Kafka. The project focuses on the implementation of core infrastructure, including partition management, replica consistency, and log storage. It examines asynchronous event-driven network programming, I/O multiplexing, and the internal logic used for dependen

RocketMQ is a cloud-native distributed messaging platform and streaming engine. It functions as a distributed transactional queue that ensures atomicity between local transactions and message delivery, and serves as an MQTT IoT message broker to bridge lightweight device traffic into high-performance data streams. The system is distinguished by a Kubernetes-native architecture that decouples compute from storage to allow independent scaling of traffic and data retention. It utilizes a tiered storage model to offload older data to remote storage and employs quorum-based replication and automat

CAP is a .NET distributed transaction framework and event bus designed to manage asynchronous communication in microservices. It implements the outbox pattern to ensure eventual consistency and reliable message delivery by persisting messages in local database tables until transactions commit. The framework includes a distributed message monitor and web dashboard for tracking the status of sent and received messages. It provides tools for event traffic visualization, distributed request tracing, and the ability to manually trigger retries for failed delivery attempts. The system supports var

TiKV is a cloud-native distributed transactional key-value store and storage engine. It provides a distributed database designed for horizontal scalability and strong consistency across a cluster of physical nodes. The system uses a Raft-based consensus mechanism to maintain data availability and state synchronization. It ensures ACID compliance for distributed transactions through a two-phase commit workflow and manages data distribution via multi-Raft sharding. The engine handles massive datasets using automated range splitting and cluster load balancing to distribute data across different

This project is a comprehensive enterprise architecture for building multi-tenant distributed systems, implemented as a Spring Cloud microservices platform. It provides a complete framework for managing microservices, focusing on multi-tenant data architecture and centralized identity provision. The platform is distinguished by its integrated approach to identity and security, utilizing an OAuth2 identity provider to manage single sign-on, role-based access control, and JWT token issuance across distributed services. It further separates organizational boundaries through multi-tenant data iso

Redisson is a Java library and Redis client that functions as a distributed Java object mapper, caching provider, and locking framework. It maps Java collections and concurrency primitives to distributed implementations backed by Redis and Valkey, providing synchronous, asynchronous, and reactive APIs for interacting with these data stores. The project distinguishes itself by providing a comprehensive suite of distributed coordination tools, including a locking framework for managing semaphores and countdown latches across multiple application nodes. It also serves as a distributed messaging

This project is a reference implementation and architectural blueprint for building distributed systems using the go-zero framework. It provides a complete microservices boilerplate and a standardized project layout to bootstrap API and RPC services with consistent folder structures. The implementation distinguishes itself by providing a comprehensive guide and codebase for service discovery, rate limiting, and circuit breaking. It demonstrates an observability stack integration that coordinates distributed tracing, metrics collection, and centralized logging across multiple microservices. T

This project provides educational materials and courseware focused on the theoretical and practical foundations of distributed systems design. It serves as a comprehensive curriculum covering the disciplines of consensus, data consistency, reliability engineering, and scalability. The instructional content focuses on achieving cluster agreement through consensus algorithms and managing system-wide state via coordination frameworks. It includes a dedicated guide to data theory, exploring replication strategies, consistency models, and data convergence. The courseware covers a broad capability

This project is a dynamic datasource manager for Spring Boot designed to handle multiple database connections and switch between them at runtime. It provides a system for managing database read-write splitting, coordinating distributed transactions across disparate databases, and updating connection settings without requiring an application restart. The framework differentiates itself through its ability to route traffic based on user sessions or headers to support multi-tenant architectures. It also includes a mechanism for encrypting sensitive database credentials within configuration files