Coder vs Nextjournal

Coder is a self-hosted platform for AI coding agents and cloud development environments running on infrastructure controlled by the customer. Workspaces are defined with Terraform and connect through a secure WireGuard tunnel. Developers can access them through VS Code, JetBrains, Cursor, a web terminal, remote desktop or SSH. Idle workspaces can stop automatically and restart when needed. Coder Agents lets developers delegate development work and research through chat or an API, provisioning a workspace to carry out tasks. Supported model providers include Anthropic, OpenAI, Google, Bedrock and self-hosted endpoints. The agent loop runs in Coder’s control plane, keeping LLM credentials out of workspaces. Coder documents integrations with GitHub, GitLab, Bitbucket and JFrog Artifactory. The Community plan costs nothing and includes unlimited self-hosted workspaces, one platform integration and up to five active agents. Community support is through GitHub and Discord. The CLI is available for Linux, macOS and Windows, alongside API, web and self-hosted platforms.

Nextjournal is a notebook for reproducible research and data-driven work, available on the web or self-hosted. A notebook can combine programming-language runtimes, with values passed between them through files; listed languages include Python, R, Julia, Clojure, Bash, JavaScript, and ClojureScript. Users can edit together in real time and create public or private groups. Automatic saves preserve changes, data, and the runtime environment, with earlier versions available for restoration. Each running notebook gets a compute instance that shuts down when computation finishes, and a runtime can use up to 8 NVIDIA Tesla K80, P100, or P100 Workstation GPUs. Notebooks can access Amazon S3 and Google Cloud Storage, clone private GitHub repositories, and import Docker Hub images. Import formats include Jupyter, IPython, RMarkdown, and Markdown; notebooks can be exported to Markdown. Published notebooks have permanent URLs and can be public or group-limited; viewers can remix read-only published versions. Plans include Free and paid plans from $299/mo, with a 14-day trial.