Looking for something like DNS over HTTPS? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 12 are open source.
Configure DNS over HTTPS in curl, the command-line transfer tool and library.
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Radare2 | — | Not stated | — |
| 2 | iOS + macOS Configs | — | Yes | iOS, macOS |
| 3 | Certbot | — | Not stated | Linux, macOS, Web |
| 4 | Cordum | — | Not stated | — |
| 5 | Simplewall | — | Yes | Windows |
| 6 | RustNet | — | Yes | — |
| 7 | Anubis | — | Yes | — |
| 8 | Cheatsheet | — | Not stated | Web |
| 9 | Observatory | — | Not stated | Web |
| 10 | ZeroSSL | — | Not stated | Web |
Analyze and reverse engineer software with radare2, a Unix-like framework and command-line toolkit.
Configure DNS over HTTPS on iOS and macOS using the provided configuration profiles.
Obtain a certificate for a website with Certbot, which helps configure HTTPS.
The action firewall for AI agents. Enforce policy and human approval before risky tool calls, shell commands, workflows, and production changes, with auditable evidence.
Configure network activity rules through Windows Filtering Platform with Simplewall.
Monitor network activity by process in a terminal with RustNet, which includes packet inspection.
Anubis weighs incoming HTTP requests to help block AI crawlers before they access a website.
The Metasploit cheat sheet collects command references for working with the framework.
Test HTTP security headers such as CSP and HSTS, then review recommendations for improving a site.
ZeroSSL issues online SSL certificates and supports HTTPS setup through a certificate management interface.
SSL for Free provides SSL and wildcard certificates for enabling HTTPS on websites.
Protect a website from automated bot requests with Anubis, which evaluates incoming HTTP requests.
A GitHub repository collecting a library of various cybersecurity resources, with folders for cybersecurity and hacking documentaries, cybersecurity YouTube channels, and free red team practice labs.
Karma Firewall is an Android firewall that states it requires no internet permission and intercepts no allowed user traffic.
Security and best-practice issues in container images can be checked with Dockle.
This GitHub list curates cryptography resources and links for people exploring the field.
Adapt this collection of contract templates for penetration testing engagements.
AllSafe provides an intentionally vulnerable Android app for security testing and practice.
A curation of awesome tools, documents and projects about LLM Security.
Browse a curated collection of information security tools, links, and learning resources.
Set up a Windows virtual machine for reverse engineering with FLARE-VM’s software installation scripts.
This GitHub list collects books, guidelines, blogs, videos, tools, and cases related to CI/CD security.
Agentic Radar scans agent workflows for security issues and helps developers review potential risks.
Set network rules by application or globally with Fort Firewall for Windows.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative
