| Price from | $299/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| Self-hosted | Yes | Yes |
| Plans published | 5 | 1 |
| Spec score · Blogging Platforms | 9.0 (#8) | 8.0 (#72) |
| Custom domain | Yes | Yes |
| Deployment | It runs on Linux, Windows, or macOS and supports containerized deployments with a Dockerfile. | PostOwl is open source and can be self-hosted; its deployment guide currently focuses on Fly.io. |
| Free plan | Yes | Yes |
| Purpose | Inkwell is a free, open-source, self-hosted blogging platform built on .NET 10 for writers who care about typography and content ownership. | PostOwl is an open-source web application for personal blogging, private journaling, and sharing letters with friends. |
| Support | The optional monthly support retainer includes priority bug triage, security patches within 48 hours, quarterly upgrades, private email, and scheduled office hours. | The maker invites users to join GitHub Discussions and welcomes new contributors. |
| Technology | Inkwell uses ASP.NET Core MVC on .NET 10, Dapper with raw SQL, server-rendered HTML, and Microsoft SQL Server 2019 or later. | PostOwl uses SvelteKit and SQLite, and stores content in a single SQLite database. |