Open Source Alternatives to Lemmy
55 open source Social Media options similar to Lemmy, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
MastodonNot ratedA decentralized, open-source social media platform and alternative to larger apps like X and Threads.
Open source · Self-hostable
ManyverseNot ratedManyverse is a social network client that uses a peer-to-peer protocol, allowing users to create and share content offline and without central servers.
Open source · Self-hostable
Nomic AINot ratedNomic AI builds tools to make AI explainable and accessible, focusing on data curation and visualization.
Open source · Self-hostable
BitwardenNot ratedOpen-source password manager for individuals, teams, and businesses.
Open source · Self-hostable
OWASPNot ratedA global non-profit foundation dedicated to improving software security through open community collaboration.
Open source · Self-hostable
DSH PluginsNot ratedAn independent directory for discovering DeepSeek Harness plugins.
Open source
GDevelopNot ratedNo-code game development platform empowering creators to build games without prior technical skills.
Open source
GPT4AllNot ratedOpen-source, privacy-focused AI assistant that runs locally on your hardware.
Open source · Self-hostable
OmnivoreNot ratedA free and open-source read-it-later service with AI-powered features and integrations.
Open source · Self-hostable
Open Bitcoin TrackerNot ratedA privacy-focused, open-source Android app to track Bitcoin value without accounts or analytics.
Open source · Self-hostable
MCP.soNot ratedA community-driven marketplace for discovering and deploying Model Context Protocol (MCP) servers and clients.
Open source · Self-hostable
SignalNot ratedEnd-to-end encrypted messaging and voice calling app focused on privacy and security.
Open source
CodelNot ratedAn open-source, autonomous AI agent for complex tasks using terminal, browser, and editor interactions.
Open source · Self-hostable
ElasticsearchNot ratedOpen-source search and analytics engine for data exploration and real-time insights.
Open source · Self-hostable
DatabricksNot ratedA unified data analytics and AI platform built on the lakehouse architecture.
Open source · Self-hostable
Grafana LabsNot ratedCommercializes the open-source Grafana observability platform with AI features.
Open source · Self-hostable
Hugging FaceNot ratedHugging Face is the leading AI community and platform for machine learning collaboration, enabling developers to build, share, and deploy models, datasets, and applications.
Open source · Self-hostable
SnykNot ratedSnyk is a developer security platform that helps software teams find and fix vulnerabilities in code, open source dependencies, containers, and cloud infrastructure.
Open source · Self-hostable
Together AINot ratedTogether AI offers an AI-native cloud platform providing high-performance inference APIs, GPU clusters, and fine-tuning capabilities for open-source AI models.
Open source · Self-hostable
RedisNot ratedRedis is an open-source, in-memory data platform used as a database, cache, and message broker, powering real-time applications at scale.
Open source · Self-hostable
MastraNot ratedAn open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.
Open source · Self-hostable
QdrantNot ratedHigh-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.
Open source · Self-hostable
UbuntuNot ratedA popular open-source Linux distribution.
Open source · Self-hostable
AirbyteNot ratedAn open-source data integration platform for ELT, reverse-ETL, and AI agents.
Open source · Self-hostable
- SupabaseNot rated
Open source Firebase alternative with a PostgreSQL backend and real-time capabilities.
Open source · Self-hostable
ElementorNot ratedElementor is the leading open-source website builder platform for WordPress professionals, enabling pixel-perfect design and efficient site creation with AI-assisted tools.
Open source · Self-hostable
DremioNot ratedSelf-service analytics on data lakes with data warehouse functionality and data lake flexibility.
Open source · Self-hostable
Grafana CloudNot ratedFull-stack observability platform built on open standards for unifying telemetry and accelerating troubleshooting.
Open source · Self-hostable
ClickHouse CloudNot ratedFully managed ClickHouse service for real-time analytics on AWS, GCP, and Azure.
Open source · Self-hostable
KyutaiNot ratedA non-profit AI research lab focused on open science and developing advanced multimodal and voice AI models.
Open source · Self-hostable
YugabyteDBNot ratedDistributed SQL database for cloud-native applications, offering high availability and horizontal scalability.
Open source · Self-hostable
PositNot ratedOpen-source data science platform for enterprise teams, enabling collaboration and reproducible results.
Open source · Self-hostable
ScyllaDBNot ratedScyllaDB is a high-performance, low-latency NoSQL database for data-intensive applications, designed to scale with modern infrastructure.
Open source · Self-hostable
Nous ResearchNot ratedOpen-source AI research lab training decentralized large language models and building infrastructure for accessible AI.
Open source · Self-hostable
PulumiNot ratedModern infrastructure as code platform enabling developers to manage cloud resources using familiar programming languages.
Open source · Self-hostable
PostgreSQLNot ratedA powerful, open-source object-relational database system known for reliability and extensibility.
Open source · Self-hostable
FireboltNot ratedCloud data warehouse for building next-gen analytics experiences with sub-second performance, designed for engineers and AI agents.
Open source
GitpodNot ratedCloud Development Environments for efficient and secure team software development.
Open source · Self-hostable
H2O.aiNot ratedAn open-source AI and machine learning platform for enterprises.
Open source · Self-hostable
z.aiNot ratedDeveloping advanced AI models with a focus on reducing hallucinations, including large language models, vision language models, and text-to-video models.
Open source
Logz.ioNot ratedLogz.io provides an observability platform for cloud-native businesses, combining open-source tools for monitoring and security.
Open source · Self-hostable
ClearMLNot ratedOpen-source, end-to-end MLOps platform for enterprise AI development and deployment.
Open source · Self-hostable
ClickHouseNot ratedAn open-source, column-oriented OLAP database management system for real-time analytics.
Open source · Self-hostable
CodefreshNot ratedOctopus Deploy provides a unified platform for continuous delivery, automating deployments, runbooks, and operations for modern applications.
Open source · Self-hostable
ChainguardNot ratedSecures the software supply chain with verifiable builds and open-source security tooling.
Open source · Self-hostable
DragonflyDBNot ratedSource-available, multi-threaded Redis replacement for modern cloud workloads.
Open source · Self-hostable
RedpandaNot ratedA streaming data platform designed for real-time applications and data pipelines.
Open source · Self-hostable
HyperbolicNot ratedOpen-access AI cloud platform providing affordable, on-demand GPUs for training and serving AI models.
Open source
JuliaNot ratedA high-performance, dynamic programming language for technical computing.
Open source
AirweaveNot ratedOpen-source tool to transform application data into accessible knowledge for AI agents.
Open source · Self-hostable
CanonicalNot ratedCanonical develops and supports Ubuntu, a leading open-source operating system for cloud, servers, and edge devices.
Open source · Self-hostable
ChromaNot ratedOpen-source AI-native vector database that makes knowledge and memory pluggable for LLM applications.
Open source · Self-hostable
MariaDBNot ratedA cloud database company providing a unified platform for transactional, analytical, and AI workloads.
Open source · Self-hostable
MetabaseNot ratedOpen-source business intelligence and embedded analytics platform.
Open source · Self-hostable
Trigger Device IncNot ratedAn open-source platform for building and deploying AI agents and workflows.
Open source · Self-hostable

