# 其他免费资源 (Other Free Resources)

> 学生福利、学习沙箱等其他对开发者有用的免费资源。
> 共 11 个免费服务。数据来源:https://github.com/ripienaar/free-for-dev(MIT)。更新时间:2026-09-10

- [get.localhost.direct](https://get.localhost.direct) — A better `*.localhost.direct` Wildcard public CA signed SSL cert for localhost development with sub-domain support
- [GitHub Education](https://education.github.com/pack) — Collection of free services for students. Registration required.
- [Glob tester](https://globster.xyz/) — A website that allows you to design and test glob patterns. It also provides resources to learn glob patterns.
- [Killer Coda](https://killercoda.com/) — Interactive playground in your browser to study Linux, Kubernetes, Containers, Programming, DevOps, Networking
- [Microsoft 365 Developer Program](https://developer.microsoft.com/microsoft-365/dev-program) — Get a free sandbox, tools, and other resources you need to build solutions for the Microsoft 365 platform. The subscription is a 90-day [Microsoft 365 E5 Subscription](https://www.microsoft.com/microsoft-365/enterprise/e5) (Windows excluded) which is renewable. It is renewed if you're active in development(measured using telemetry data & algorithms).
- [MySQL Visual Explain](https://mysqlexplain.com) — Easy-to-understand and free MySQL EXPLAIN output visualizer to optimize slow queries.
- [RedHat for Developers](https://developers.redhat.com) — Free access to Red Hat products including RHEL, OpenShift, CodeReady, etc. exclusively for developers. Individual plan only. Free e-books are also offered for reference.
- [sandbox.httpsms.com](https://sandbox.httpsms.com) — Send and receive test SMS messages for free.
- [SimpleBackups.com](https://simplebackups.com/) — Backup automation service for servers and databases (MySQL, PostgreSQL, MongoDB) stored directly into cloud storage providers (AWS, DigitalOcean, and Backblaze). Provides a free plan for 1 backup.
- [SimpleRestore](https://simplerestore.io) — Hassle-free MySQL backup restoration. Restore MySQL backups to any remote database without code or a server.
- [SnapShooter](https://snapshooter.com/) — Backup solution for DigitalOcean, AWS, LightSail, Hetzner, and Exoscale, with support for direct database, file system and application backups to s3 based storage. Provides a free plan with daily backups for one resource.