Self-hosted IT tools

Dev.toTutorials & Learning

Dev.to, built on the open-source Forem platform, is a free community where developers publish articles, discuss technology and build public profiles.

DifyAI Platforms & Generative AI

Dify (by LangGenius) is an open-source platform for building LLM apps with a visual workflow builder, RAG pipeline and agent tools; self-host the Community Edition free or use Dify Cloud on a freemium plan.

DirectusDeveloper Tools

Directus wraps an existing SQL database with an instant REST/GraphQL API and a customizable admin app, without migrating data into a proprietary format.

DockerContainers & Kubernetes

Docker provides tools to build container images, run isolated containers, define multi-service applications with Compose, and distribute images through registries.

DokployContainers & Kubernetes

Dokploy manages application and Docker Compose deployments on servers through a web interface.

DuckDBDatabases

DuckDB is a free, open-source (MIT) in-process OLAP database you embed directly in an application, with no separate server to run or manage.

DynatraceMonitoring & Observability

Dynatrace brings application and infrastructure telemetry into an observability platform, with capabilities governed by the selected subscription.

ElasticSIEM & Threat Intelligence

Elastic Security brings SIEM and endpoint signals onto the Elasticsearch platform.

Elastic CloudSIEM & Threat Intelligence

Elastic Cloud is Elastic's hosted Elasticsearch service, offered as fully managed Serverless or resource-based Hosted deployments across AWS, GCP and Azure, covering search, observability and SIEM/security use cases.

FirezoneCybersecurity

Firezone is an open-source zero-trust remote-access platform built on WireGuard. Its Starter plan is free for small teams, with paid Team and custom Enterprise plans adding centralized management and support.

FlowiseAI Platforms & Generative AI

Flowise is an open-source, self-hostable LLM/agent builder acquired by Workday in 2025. Workday announced Flowise is being sunset: feature work stopped and core support ended 31 August 2026.

Forest AdminDatabases

Forest Admin has rebranded to Forest, an operations platform that connects databases, compliance workflows, and AI agents for regulated companies, with full audit trails. A free sandbox is available; paid plans start at $499/month.

FusionAuthIdentity & Access Management

FusionAuth is a downloadable CIAM server with a free, unlimited-user Community edition, offering OAuth2/OIDC/SAML, MFA and passwordless login for any language or stack.

GitHubVersion Control & Code Hosting

GitHub hosts Git repositories with pull requests and review, GitHub Actions for CI/CD, and Copilot AI assistance; Enterprise Server supports self-hosted deployment.

GitLabVersion Control & Code Hosting

GitLab combines Git repositories, merge requests and CI/CD; security features and deployment choices depend on edition and plan.

GPT4AllAI Platforms & Generative AI

GPT4All is a free, open-source desktop application from Nomic AI that runs open-source large language models locally on Windows, macOS and Linux, with no data leaving the device.

GrafanaMonitoring & Observability

Grafana is an open source visualization and dashboarding platform that queries metrics, logs, and traces from Prometheus, Loki, Tempo, and dozens of other backends, with Grafana Cloud offering a hosted option.

HarnessCloud Management

Harness bundles CI, GitOps-based CD, feature flags, cloud cost management, security testing orchestration and other DevOps modules that can be adopted individually or as a platform.

HashiCorpInfrastructure as Code

HashiCorp builds infrastructure automation tools - Terraform for provisioning, Vault for secrets, Consul for service networking, and Nomad for orchestration - now licensed under the Business Source License. HashiCorp became an IBM subsidiary in February 2025.

HelmContainers & Kubernetes

Helm packages Kubernetes applications as versioned charts, providing templating, releases and rollbacks; it is a graduated CNCF project maintained by the community.

Highlight.ioMonitoring & Observability

Highlight.io was an open-source, full-stack monitoring platform (session replay, errors, logs, traces); its marketing site now redirects to LaunchDarkly, though the GitHub project remains active.

HumanitecContainers & Kubernetes

Humanitec provides a Platform Orchestrator that lets platform teams define golden-path deployment workflows, using the open-source Score spec, so developers can self-serve environments without writing Kubernetes YAML directly.

InfluxDBDatabases

InfluxDB stores time-series and event data for monitoring, sensor and real-time application workloads.

IntuneAutomationIT tools

IntuneAutomation is a free, MIT-licensed collection of about 60 PowerShell scripts for common Intune admin tasks, runnable locally or as Azure Automation runbooks.