
SQL Fiddle
DB Fiddle
Online SQL Editor
Rextester
Online SQL playground for testing and sharing SQL snippets. SQLite, MySQL and PostgreSQL.

regular expressions 101
RegExr
LWN.net
Devhints
GitHub
GitLab
BitBucket
Match command-line arguments to their help.

Which is more popular?
Based on our record, explainshell seems to be more popular. It has been mentioned 115 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | extendsclass.com | explainshell.com |
| Company | 2022 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


It is a SQL playground which allows to test SQL online. Run SQL queries for SQLite, MySQL and PostgreSQL databases. Share snippets.
No description of explainshell yet.
What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of ExtendsClass SQL Online yet.
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Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using ExtendsClass SQL Online and explainshell. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking ExtendsClass SQL Online since Oct 2022.
The obvious comparison is explainshell.com, which is great but is a web service — you paste your command into someone else's server. For a tool whose entire job is to look at commands you're nervous about (often with tokens, hostnames,... - Source: dev.to / 30 days ago
What it is: explainshell takes a shell command and annotates each flag with the relevant chunk of the man page. - Source: dev.to / about 2 months ago
There is https://explainshell.com/ not in terminal but should do the trick. - Source: Hacker News / 9 months ago
When comparing ExtendsClass SQL Online and explainshell, you can also consider the following products.

A tool for easy online testing and sharing of database problems and their solutions.
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Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.
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An online tool for testing, sharing and collaborating on SQL snippets
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RegExr.com is an online tool to learn, build, and test Regular Expressions.
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Free Online SQL Editor
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LWN.net aims to be the premier news and information source for the free software community.
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