Self-hosted IT tools

AcronisBackup & Disaster Recovery

Acronis offers backup, recovery and cyber protection products for business workloads, with capabilities that vary by edition.

AirbyteData Engineering

Airbyte configures connectors and connections to replicate data between systems.

AnsibleDeveloper Tools & DevOps

Ansible uses inventories and YAML playbooks to automate configuration and operational tasks.

AnyscaleAI Platforms & Generative AI

Anyscale is the company behind Ray, the open-source distributed computing framework born at UC Berkeley's RISELab. Its managed platform runs training, batch inference, and LLM serving workloads on autoscaling Ray clusters, hosted or in your own cloud (BYOC).

AnythingLLMAI Platforms & Generative AI

AnythingLLM is a free, MIT-licensed desktop and self-hostable app (by Mintplex Labs) for chatting with your own documents locally, with a separate paid team/cloud option.

Apache SupersetAnalytics & BI

Apache Superset is a free, Apache 2.0-licensed BI tool with 40+ chart types, a SQL Lab editor, and connectors to 70+ databases, self-hosted or via managed providers like Preset.

AppFlowyKnowledge Management

AppFlowy is an open-source workspace app for docs and wikis, offered as a desktop app backed by hosted AppFlowy Cloud or a self-hosted AppFlowy Cloud deployment.

AppsmithDeveloper Tools

Appsmith helps developers assemble internal tools using data connections, UI widgets and JavaScript.

AppwriteDatabases

Appwrite is a self-hostable backend platform providing authentication, databases, storage, functions and messaging through a unified API and SDKs.

ArgoCI/CD

The Argo project includes Argo CD for GitOps delivery and related Kubernetes workflow tools.

AstronomerData Engineering

Astronomer builds Astro, a managed Apache Airflow platform for orchestrating data and, increasingly, agentic AI pipelines. The company employs many of Airflow's top open-source committers and prices usage per compute-hour with enterprise tiers.

AtlantisInfrastructure as Code

Atlantis is an open-source (Apache-2.0) Go application you deploy yourself; it listens for GitHub, GitLab or Bitbucket pull request webhooks and runs terraform plan/apply from PR comments, with workspace locking.

AviatrixCloud Providers & Hosting

Aviatrix (now at aviatrix.ai) provides multi-cloud networking, segmentation and breach containment across AWS, Azure and GCP, via a controller deployed inside the customer's own cloud accounts.

BudibaseDeveloper Tools

Budibase is an open-source low-code platform for building internal applications, workflows and automations, free to self-host indefinitely or available as a hosted Pro/Premium/Business cloud service.

CapRoverCloud Providers & Hosting

CapRover is a free, Apache-2.0-licensed PaaS built on Docker, Nginx and Let's Encrypt for deploying apps on your own servers, with no paid tier or vendor lock-in.

CassandraDatabases

Apache Cassandra is an open-source, peer-to-peer NoSQL database that replicates data across nodes and datacenters with tunable consistency and no single point of failure.

CheckmateIT Operations & Sysadmin

Checkmate tracks service availability, response times and server health from a self-hosted installation.

ClickHouseDatabases

ClickHouse is an open-source (Apache 2.0) columnar OLAP database built for sub-second analytical queries at scale, self-hosted or via usage-based ClickHouse Cloud.

CohereAI Platforms & Generative AI

Cohere provides text generation, embedding and rerank models via API for enterprise use, alongside North (an AI workplace platform) and Compass (enterprise search), with free trial keys and usage-based production pricing.

Contrast SecurityApplication Security

Contrast Security, founded by OWASP co-creator Jeff Williams, instruments applications with in-app sensors: Contrast Assess (IAST) and Scan (SAST) find vulnerabilities, Contrast SCA flags risky dependencies, and its ADR/RASP layer detects and blocks attacks in production.

CoolifyCloud Providers & Hosting

Coolify is a free, open-source PaaS you install on your own server to deploy apps, databases and 280+ one-click services, with an optional $5/month Coolify Cloud convenience tier.

CrewAIAI Platforms & Generative AI

CrewAI is an MIT-licensed open-source Python framework for orchestrating multi-agent AI workflows; CrewAI Enterprise adds a hosted runtime with a free Basic tier and custom-priced governance features.

DagsterData Engineering

Dagster is an open-source Python orchestrator built around software-defined assets. Its creator, Dagster Labs (formerly Elementl), was acquired by Prefect in 2026; the open-source project keeps its license and Dagster+ continues unchanged for existing customers.

dbtData Warehousing & Lakehouse

dbt lets analytics engineers transform warehouse data using SQL with version control, testing and documentation; dbt Core is free and open source, dbt Cloud adds managed orchestration.