No. 11 of 33 ·Automated Grading Software

codePost

Web · Self-hosted · API

Freedom report

Two barsScore 6.3

codePost is ranked #11 of 33 in automated grading software on Freedom251. It runs on API, Self-hosted, Web. There is a free plan.

codePost plans and pricing

Free service Free free service for computer science educators Computer science educators codepost.io · 30 Sept 2026

Purpose: codePost is a feedback platform for grading code, PDFs, and Jupyter Notebooks.
Code review: The platform provides split-panel code review with inline highlighting, comment cards with point deductions, and shared rubrics.
Annotation: Instructors can annotate code with inline Markdown comments, gray out template code, annotate Jupyter notebooks and text files, and apply rubric items.
Autograding: codePost runs unit tests or custom test scripts automatically on submissions in sandboxed containers.
Sandboxing: The autograder uses Docker-based isolation for testing student code.
Languages: The platform has built-in support for Python, Java, C/C++, Node.js, R, and more.
Test controls: Instructors can expose a subset of tests on student submission, limit test runs, and require specific uploaded filenames.
Integrations: Native integrations include Canvas, Blackboard, Jupyter Notebooks, GitHub, JSFiddle, Brightspace, CodePen, Repl.it, Pearson Revel, and homegrown systems.
API access: codePost offers programmatic access through an SDK or REST API.
Course scale: The platform is designed for large courses, with roster management, LMS synchronization, granular TA permissions, and shared rubrics.
Users: The stated audience includes instructors, graders, and students in computer science courses, including undergraduate, high-school, and bootcamp teaching.
Price from: Free

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