Nyx
Nyx: A configurable, self-hosted tool for versioning, changelogs, and GitHub or GitLab releases. Ranked #15 of 29 in Release Automation Tools by our editors (7.3/10); pricing: Free plan; best for projects needing configurable GitHub and GitLab releases.
At a glance
- Editor score7.3 / 10
- PricingFree plan
- Best forProjects needing configurable GitHub and GitLab releases
- Free planYes
- Paid fromFree
- Semantic versioningYes
- Facts checked5 Oct 2026
Where it wins
- Infers release versions from Git history and configured version schemes
- Generates changelogs and supports configurable release types and branching
- Publishes releases with assets through GitHub and GitLab
Where it doesn't
- Requires configuration of release behavior and versioning schemes
- Targets GitHub and GitLab rather than a broad set of release services
- Package registry publishing is not part of its listed capabilities
Our verdict on Nyx
Nyx automates releases for Git-based software projects, making it a fit for teams that want control over versioning, changelogs, and release steps. It infers versions from Git history and configured schemes, including Semantic Versioning, and supports commit conventions such as Conventional Commits, Gitmoji, and Keep a Changelog. Its configurable release types and branching strategies suit projects whose release process needs to reflect their own conventions rather than a fixed workflow.
The tool can generate changelog files, commit release changes, apply Git tags, and push changes to remotes. It can also publish releases and attach configured local files or URLs through GitHub and GitLab services. Nyx is available as a CLI, Docker image, Gradle plugin, and GitHub Action, with configuration supplied through presets, files, command-line arguments, and environment variables. These options connect it to several common development workflows, though teams should assess which entry point best matches their existing setup.
Nyx is distributed as a tool and libraries, not a hosted SaaS plan, and it is open source with a free plan. Its published scope centers on Git-based release coordination and GitHub or GitLab release assets; package registry publishing is not among its listed capabilities. Documentation and community are the stated support channels. Choose Nyx if you need configurable release versioning and publishing to those source platforms, and are comfortable operating release automation within your own environment. If your primary requirement is package registry publishing or a hosted release service, another tool may fit better.
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Nyx pricing
Nyx fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Semantic versioning | Yes |
| Changelog generation | Yes |
| Release note automation | Yes |
| Release artifacts | Not verified |
| Source platforms | GitHub, GitLab |
| Package registries | Not verified |
| Deployment | Self-hosted, Desktop |
| Platforms | Windows, macOS, Linux |
| Support | Docs, Community |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 5 integrations: GitHub, GitLab, GitHub Actions, Gradle, Docker |
| Pricing | Free plan |
| Website | mooltiverse.github.io |
| Facts checked | 5 Oct 2026 |
Nyx integrations
Nyx lists 5 integrations on its own site.
- GitHub
- GitLab
- GitHub Actions
- Gradle
- Docker
Alternatives to Nyx
- semantic-releaseAn open-source CI release tool that turns commit history into versions, notes, and published releases.9.1
- LernaLerna combines monorepo task orchestration with npm package versioning and publishing.8.1
- release-itA flexible release CLI that handles Git workflows, release notes and npm publishing.7.9
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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