# SeaMonkey review (2026): is it any good? > All-in-one internet suite with browser, mail, chat and HTML editor Checked Nov 13, 2026 ยท graded Nov 13, 2026 by ToolGPA. SeaMonkey is a free, open-source internet application suite built on Mozilla's Gecko engine. It bundles a web browser, an email and newsgroup client, a feed reader, IRC chat and an HTML editor in one program. The site lists version 2.53.24 for Windows, macOS and Linux, in many languages. - **Category:** Browsers - **Made by:** SeaMonkey Association - **Website:** https://www.seamonkey-project.org - **Runs on:** Windows, macOS, Linux - **Who should skip it:** Skip it if you want a phone version, as the site offers no iOS or Android edition. - **Facts last checked:** Nov 13, 2026 ## Pricing As of Nov 13, 2026, SeaMonkey is free to use. - **Pricing model:** Free - **Free plan:** SeaMonkey is free; the site accepts donations and sponsors and lists no paid plan. - **Free trial:** None listed. | Plan | Price | What you get | | --- | --- | --- | | Free | $0 | The full suite for Windows, macOS and Linux, in 20-plus languages. | Read from https://www.seamonkey-project.org/ on Nov 13, 2026. Prices change, so confirm with SeaMonkey before buying. ## Key features - **Browser:** An Internet browser built on Gecko, the same code behind Thunderbird and the base of Firefox. - **Email and newsgroups:** A built-in mail and newsgroup client, plus feed reading, per the site's one-line description. - **IRC chat:** Chat is included in the same application as the browser and mail. - **HTML editor and web development tools:** An HTML editor and web development tools are part of the suite. - **Multiple languages and platforms:** The download table lists Windows x64 and x86, macOS x64, and Linux x64 and x86 builds in many languages. ## Good for - People who want browser, mail and chat in one program - Web developers who want an HTML editor in the same suite - Users who prefer a community-run project ## Worth knowing - The listed macOS build is x64 only; no ARM-specific macOS build is shown. - It is run by a community council, and the about page says it describes the only full internet suite still developed. - The current release listed is 2.53.24, built on the Gecko engine. - The site offers no iOS or Android edition. ## ToolGPA grades **GPA: 3.0 out of 4**, graded Nov 13, 2026. SeaMonkey bundles a browser, email and newsgroups, IRC chat and an HTML editor in one free program. It is a desktop suite only, with no phone version, and the Mac build listed is x64 only. - **Value for money: A.** Free, with donations and sponsors accepted and no paid plan, so it undercuts this category's $7 cheapest quarter. - **Free plan and trial: A.** The whole suite for Windows, macOS and Linux downloads at no charge, in 20-plus languages. - **Features: C.** Browser, mail and news, feeds, IRC and an HTML editor in one program, built on Gecko. The browser itself is the same size of job as any other. - **Ease of use: B.** No rating on record. It is a program you install and start using, though a suite has more parts than a lone browser. - **Platforms and integrations: C.** Windows x64 and x86, macOS x64 and Linux x64 and x86 builds, with no Android or iOS edition. These are ToolGPA's own grades. Graded from this listing, whose facts were read from SeaMonkey Association's own pages on 13 November 2026. Not based on using the product, and shorter than our full reviews. ## Where it stands among browsers - SeaMonkey's GPA of 3.0 is higher than 34 of the 60 other browsers we grade, and level with 9. - It stands best on value for money (A, above 22 of 60) and worst on features (C, above 2). - SeaMonkey has no paid plan. - On features, ease of use and platforms it scores 2.3 out of 4. Nothing scores higher for less, though at least one tool matches that score at a lower price. The category's chart of price against score: https://toolgpa.com/charts/browsers ## Keep it, or make your own? **Keep it.** SeaMonkey is free, so making your own would save you nothing. And it is not the kind of software a weekend replaces. - You could make: RSS reader: an app builder makes this well. - You could not: A web browser. - You could not: An email client: sending, receiving, threading and searching years of mail. - You could not: Apps for macOS, Windows and Linux that stay in step with each other. A judgement by ToolGPA from this listing, by rules that are the same for every tool. Nothing was built to test it. **Tags:** Web browser, Open source, Email client, RSS reader ## Alternatives - [Firefox](https://toolgpa.com/tools/firefox): Free, open-source browser from Mozilla with tracker blocking built in. [Compare](https://toolgpa.com/compare/firefox-vs-seamonkey) - [Pale Moon](https://toolgpa.com/tools/pale-moon): Free open-source browser on its own Goanna engine, with legacy add-ons. [Compare](https://toolgpa.com/compare/pale-moon-vs-seamonkey) - [Waterfox](https://toolgpa.com/tools/waterfox): Free, open-source Firefox-based browser with a built-in ad blocker. [Compare](https://toolgpa.com/compare/seamonkey-vs-waterfox) - [LibreWolf](https://toolgpa.com/tools/librewolf): Free, privacy-hardened browser built on Firefox. [Compare](https://toolgpa.com/compare/librewolf-vs-seamonkey) - [Floorp](https://toolgpa.com/tools/floorp): Free, open-source Firefox-based browser with workspaces and split view. [Compare](https://toolgpa.com/compare/floorp-vs-seamonkey) ## Sources The prices, plans, platforms and features above were read from these pages on Nov 13, 2026: - https://www.seamonkey-project.org/ - https://www.seamonkey-project.org/about Page: https://toolgpa.com/tools/seamonkey Listed by ToolGPA (toolgpa.com).