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Track bugs, ideas, and small projects on a free open source kanban board by 37signals, with a self-hosting option.
Fizzy gives individual developers a free, low-maintenance board for feature ideas, bug lists, and release planning without the overhead of a full project management tool. The hosted version requires no infrastructure and no payment.
If you need to track work across multiple interconnected projects with dependencies, sprints, and velocity metrics, a tool like Linear or Jira is a better fit.
Teams tracking ten to fifty active issues get a faster interface than Jira or Asana with no onboarding overhead. Webhooks feed new cards and completions to Slack channels, and stamps keep attribution visible without digging through activity logs.
If your team needs sprint planning, burndown charts, Gantt views, or tight GitHub and GitLab integration, Fizzy does not cover those workflows.
The ONCE installer deploys a fully functional Fizzy instance on a single machine with automatic updates. Teams that want project data on their own infrastructure rather than stored in a third-party service have a supported path without the complexity of a full project management deployment.
If you are migrating from Trello, Jira, or Asana and need to bring card history along, Fizzy has no import tool and you would start fresh.
Most project tracking tools start simple and grow into enterprise software. Trello added Power-Ups and pricing tiers. Jira became a configuration layer most teams only partially understand. Asana expanded into goal-setting and workload management designed for large organizations. By the time teams notice the bloat, they're paying for features they never use and learning interfaces that assume a dedicated project manager.
The specific pain is a loss of speed. Setting up a kanban board to track ten bugs or thirty ideas should take minutes. Instead, it takes invitations, permission models, integrations, and onboarding flows that assume everyone is building enterprise workflows. Free-tier limits eventually push you toward a paid plan, and paid plans push you toward using the full feature set to justify the cost. A fast, focused board without the cruft became genuinely difficult to find in this category.
Fizzy sends webhooks on card events (new card created, assigned, completed) to Slack channels, Campfire rooms, or any endpoint that accepts HTTP POST. No dedicated integration app is required. Paste a webhook URL in board settings and choose which events to forward.
The auto-close feature prunes cards that have sat idle past a configured threshold, keeping boards from accumulating abandoned items over time. Teams that track ideas alongside active bugs benefit from this without needing to schedule manual cleanup.
Any board can be made public so external stakeholders, customers, or the public can follow progress without creating an account. This is useful for open source projects or teams that report status to outside audiences.
Stamps record who filed a card and when, providing a lightweight audit trail without a full activity log. Teams tracking bugs or feature requests can see attribution on every card without searching through notification histories.
Fizzy exposes an API for custom integrations beyond the built-in webhook support. Teams that need to connect Fizzy to internal tooling, CI pipelines, or custom dashboards can use the API as the integration layer.
Both tools use a kanban-style card-and-column layout as their primary model. The practical differences are in direction and pricing. Trello grew from a simple kanban board into a tool with Power-Ups, Butler automation, Atlassian integration, and paid tiers that unlock higher limits on automations, attachments, and board counts.
| Feature | Fizzy | Trello |
|---|---|---|
| License | O'Saasy (fair-code) | Proprietary |
| Hosting | Hosted free + self-hostable | Cloud only |
| Pricing | Free (no paid tier) | Freemium; paid tiers from $5/user/mo |
| Automations | No | Yes (limited on free tier) |
| Data import | No | Yes |
| File storage | 1 GB (hosted) | 10 MB per file (free tier) |
Fizzy is the better choice for teams that use Trello for basic kanban and have no need for the Power-Up ecosystem. Its hosted version is unrestricted beyond the 1 GB file cap, while Trello's free tier limits workspace members and automations. Trello remains the stronger choice when you need Power-Up integrations with Jira, GitHub, or Salesforce, or when you need to import an existing Trello board.
Jira and Fizzy serve overlapping but different team sizes. Jira is a full issue-tracking and project management suite with sprints, backlogs, epics, velocity charts, and deep Atlassian ecosystem integrations. Fizzy tracks cards on columns with no sprint framework, no epics, and no reporting.
| Feature | Fizzy | Jira |
|---|---|---|
| License | O'Saasy (fair-code) | Proprietary |
| Pricing | Free | Paid from $8.48/user/mo (Standard) |
| Sprint and backlog management | No | Yes |
| Workflow automation | No | Yes |
| Reporting and analytics | No | Yes |
| Self-hosting | Yes (ONCE, Docker) | Yes (Data Center, expensive) |
Fizzy is the better choice for small teams and solo developers who are using Jira only for a kanban board and are paying for features they never open. Jira is the better choice when sprint planning, velocity tracking, epics, or Atlassian ecosystem integrations are real requirements.
Linear focuses on software development workflows with cycle-based planning, priority scoring, and GitHub and GitLab integration. Asana spans project management, goal tracking, timeline views, and resource management across teams. Both tools are more fully featured than Fizzy in their respective areas. Teams that need Linear's development-centric workflow integrations or Asana's cross-functional project management will find Fizzy too narrow. Fizzy is the better fit when neither tool's scope matches what the team actually needs: a fast, free kanban board with no enterprise overhead.
Self-hosting uses the ONCE installer for single-machine deployment and automatic updates.
```sh
curl https://get.once.com/fizzy | sh
```Yes. The hosted version at fizzy.do is entirely free with no paid tier. File storage is capped at 1 GB, but beyond that there are no feature limits, seat limits, or time-based restrictions. 37signals subsidizes Fizzy through its Basecamp and HEY revenue, so there is no business model that depends on converting free users to paid.
Yes. The easiest path is the ONCE installer, which runs with one curl command and handles initial setup and automatic updates. Docker deployment is also documented in the repository for containerized infrastructure. Kamal deployment is available for teams that want to modify the codebase and deploy their own version. All three paths are documented in the GitHub repository.
No. As of the current release, Fizzy has no import tool for migrating cards, boards, or project history from other services. The team noted this is on the roadmap but not part of the current release. Teams switching to Fizzy start fresh with a new board.
The O'Saasy License permits self-hosting, modification, distribution, and internal commercial and team use. What it does not permit is offering Fizzy to third parties as a hosted or managed service where Fizzy's functionality is the primary value of that service. Running Fizzy for your own team is within the license terms. Offering a managed Fizzy hosting service to paying customers is not.
No. Fizzy explicitly has no AI features. The team describes this as a design choice: they removed unnecessary complexity from typical kanban implementations rather than adding AI. For teams that need AI-based issue triage, sprint prediction, or workflow automation, Fizzy does not cover those workflows. Webhooks and an API are available for custom integrations with external tools if needed.
#1 in the Linear guide
Teams on GitLab for code hosting
#2 in the Linear guide
Teams needing Scrum boards, Gantt charts, and time tracking
#3 in the Linear guide
Agile teams wanting Scrum sprints without enterprise overhead
#4 in the Linear guide
Small teams wanting lightweight git hosting and issue tracking
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