Pawtograder

Pawtograder is an open-source course platform that joins automated code testing with grading and student-support work. It is best suited to computer-science instructors and teaching teams already organizing assignments in GitHub repositories. The strongest case is a unified workflow from failing test to feedback or help request; the main qualification is that your institution must supply GitHub Actions runners and accept its repository model.

Overview

Pawtograder combines autograding, manual grading, office-hours queues, discussion, a gradebook, and analytics in one course environment. Every commit can trigger tests through GitHub Actions, and the grading interface shows results for each test. That makes feedback more concrete for programming assignments and gives teaching staff a shared view of assessment and support rather than separate tools.

The project is GPLv3 open source. Instructors can use the project-hosted community instance or deploy it themselves on Kubernetes with Helm charts. Self-hosting keeps course data on institutional infrastructure and can suit FERPA, GDPR, and provincial data-residency requirements, but it also makes the institution responsible for deployment and operations. Pawtograder additionally requires GitHub Actions runners, either GitHub-hosted or self-hosted.

Key features

Rubrics support additive, deductive, and multi-level criteria, line-level annotations, and per-member scoring for group submissions. This is a useful combination for explaining code-specific decisions and separating individual contributions, though courses need to structure work around the platform's repository assumptions.

The gradebook supports MathJS expression columns, drop-lowest calculations, CSV import, and a student what-if mode. Those tools cover common course calculations and let students model outcomes before final grades. Office-hours queues handle text, video, and screen sharing, and can show a linked submission and failing test while staff help. Discussion can surface relevant threads for known errors and supports either public or staff-only posts.

Calendar feeds and Discord channel mirroring help connect course events to existing communication habits. LTI 1.3 connections for Canvas, Blackboard, Brightspace, and Moodle are described as roadmap items, so Pawtograder is not currently an LMS-integrated choice. An MCP server can provide a compatible AI client with context about an error, queue request, or discussion thread, while AI-generated test hints remain optional.

A significant constraint is the current repository model: each assignment assumes one repository. Multi-assignment repositories and assignments without repositories are identified as unbuilt requests, so courses using a different structure should look elsewhere.

Pricing

The Community instance costs 0.00 USD, billed Free, for instructors evaluating Pawtograder. It is suitable for evaluation, while ongoing use at scale requires contacting the project. No paid self-hosting or institutional-use price is stated, so larger deployments should expect custom pricing discussions rather than a published tier.

Platforms

Pawtograder runs as a web application and can be used through the project-hosted community instance or self-hosted on Kubernetes with Helm charts. Either route still depends on GitHub Actions runners, which the institution must provide or select.

Who it's for

It is aimed at instructors, teaching assistants, and students in computer-science courses where commits, tests, and repository-based assignments are central. Self-hosting is particularly relevant to institutions needing data to remain on their own infrastructure. It is a weaker fit for courses that require direct LMS workflows, avoid GitHub repositories, or cannot operate GitHub Actions runners. Discord community support and demo accounts by request give prospective teaching teams a way to assess the workflow before committing.

Pros and cons

Pros

• One workflow for code and support: per-test results, manual rubrics, office hours, discussion, and grade records are connected.
• Detailed assessment controls: line annotations, multi-level criteria, and per-member group scoring support programming feedback and team projects.
• Flexible deployment: the community instance is free for evaluation, while GPLv3 code and Kubernetes Helm charts enable institutional hosting.
• Useful grade calculations: MathJS expressions, drop-lowest rules, CSV import, and what-if mode cover practical course administration.

Cons

• Runner dependency: every institution must provide GitHub Actions runners, adding infrastructure and operational responsibility.
• Repository constraint: one repository per assignment does not suit multi-assignment repositories or repository-free assignments.
• No current LMS integration: LTI support for major LMS products is a roadmap item rather than a present workflow.
• Scale pricing is not self-serve: evaluation is free, but ongoing large-scale use requires contacting the project.

Alternatives

Choose Rubric Software when you want to compare rubric-focused products broadly rather than adopt a GitHub-centered course platform.

Gradescope is the better pick when you need Android, iOS, and web access, a free Basic tier, dynamic rubrics, question-by-question grading, assignment statistics, regrade requests, and data export.

GradeBoard suits a web workflow with a free plan capped at 10 learner submissions per month, limited rubric uploads, basic analytics, and 30-day data retention.

OpenRubric is an alternative for self-hosted, web-based rubric work with a free partner event rather than Pawtograder's course-wide workflow.

Rubric Scorer fits mobile-first users who need up to three rubrics for one class on its free app.

RubriqFlow is worth considering when unlimited faculty and staff accounts are more important and student access can be budgeted at $5 per student per semester.

UniRubric suits API and web users seeking one lifetime marking job on its free lecturer tier.

Quick Rubric is a free web option when publicly available rubrics and non-commercial reuse are acceptable.

RubiStar is a free web rubric tool for educational use, with rubrics subject to deletion if used personally or commercially.

Verdict

Pawtograder is a strong choice for computer-science teaching teams that want GitHub Actions tests, rich rubrics, grade calculations, and help queues in one open-source system. Choose it for the connection between a student's code and the people supporting that work, especially where self-hosting and data control matter. Look elsewhere if your assignments do not map to one repository each, your institution cannot provide runners, or direct LMS integration is essential.