Alternatives

Products that do what Flems.io – A Single File, Embeddable Web Sandbox does

1GA
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2AR
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3BA
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5RT
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6FI
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7SL
Servasm – Literate web server in x86 assembler▲117
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8WA
Wallabag, a self-hostable application for saving web pages▲135
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9FA
FSSB – A filesystem sandbox for Linux▲43
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10LA
Lunatic – Actor System for Rust/WebAssembly▲141
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11PA
Pup – A command-line HTML parser▲126
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12FI
Forestry.io – A better way to host static websites (demo)▲39
2015 · forestryio.herokuapp.com
13AA
Assembly: A Pythonic Object-Oriented Web Framework Built on Flask▲67
2019 · mardix.github.io
14NM
Nodebook – Minimalist Node REPL with Web UI▲69
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15IA
IronDB – a resilient key-value store for the browser▲73
2018 · github.com
16WS
Webhook – Static site generator with a CMS▲78
2014 · webhook.com
17PA
Pancake – a CLI/Emacs web/gopher/file browser▲22
2017 · defanor.uberspace.net
18HG
HTML Goddess – A static site generator to code like it's 1999▲34
2020 · findingmyhtmlgoddess.com
19UA
Urubu – A micro CMS for static websites▲80
2016 · urubu.jandecaluwe.com
20GG
Goyave – Golang Web Framework▲75
2020 · github.com
21FA
Fez, a file-based build tool for JavaScript▲70
2014 · isaacbw.com
22AE
An experimental Web Browser▲59
2015 · github.com
23OA
OxJS - a JavaScript Library for Web Applications▲44
2012 · oxjs.org
24AP
A programmable embedded browser written in pure Java▲52
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