This is a list of links that I find useful in my development work – will be updated as I find more or links become dead.
Table of Contents
Test Data
- VIN Numbers – https://randomvin.com/
- Generate random VIN numbers
- Credit Card Numbers – https://www.getcreditcardnumbers.com/
- Generate random credit card numbers
- Lorem Ipsum (Test Copy) – https://www.lipsum.com/
- Generate random text
Experimentation
- PHP Sandbox – https://onlinephp.io/
- Run small code snippets to ensure they behave as expected
- Codepen – https://codepen.io/
- Test and share HTML/CSS/JS code
- Coolors – https://coolors.co/
- Generate random color palettes
- Tint and Shade Generator – https://maketintsandshades.com/
- Generate shades of a base color you put in
Inspiration
- Google Trends – https://trends.google.com/trends/
- Identify commonly searched phrases based on the topic / terms you input
Libraries
- Datatables – https://datatables.net/
- Open source jQuery library that enhances basic HTML tables with pagination, sorting, etc.
Tools
- Nmap – https://nmap.org/
- Check what ports are currently opened
- ICANN Lookup (Whois) – https://lookup.icann.org/en
- Retrieve general domain registration information
- DNS Checker – https://dnschecker.org/all-dns-records-of-domain.php
- Check for specific DNS records
- One Time Secret – https://onetimesecret.com/
- Share passwords, etc. that need to be retrieved once and then burned
- QR Code Monkey – https://www.qrcode-monkey.com/
- Generate QR codes to embed into documents, websites, etc.
- PHP-FPM Process Calculator – https://spot13.com/pmcalculator/
- Calculate suggest settings for PHP-FPM
- Note: This is not one that I have used yet, will provide feedback depending on results and if I find the one I have used, then I’ll add that link as well
- Unminify – https://unminify.com/
- Unminify JS/CSS/HTML/XML/JSON
- Wayback Machine – https://archive.org/
- Maintains an archive of websites at different points in time along with various media
- Photopea – https://www.photopea.com/
- Online photo editor compatible with .psd, .ai, .xd, etc.
- Country IP Blocks – https://www.countryipblocks.net/acl.php
- Generates ACLs in various formats for blocking entire countries / continents based on the selection you make
Services
- reCAPTCHA – https://www.google.com/u/2/recaptcha/admin/
- reCAPTCHA admin panel
- Create / manage reCAPTCHA keys
- UptimeRobot – https://uptimerobot.com/
- Automated monitoring with email and text alerts
- Google Search Console – https://search.google.com/search-console
- Provides insights about how your site is appearing in Google search results and notes any issues with indexing, etc.
References
- PHP Manual – https://www.php.net/manual/en/
- Contains documentation on all core PHP functions as well as some extensions
- WordPress Codex – https://codex.wordpress.org/Main_Page
- General information
- ASCII Reference – https://www.asciitable.com/
- Quick reference for hex vs decimal vs ascii
- Authorize.Net Testing Guide – https://developer.authorize.net/hello_world/testing_guide.html
- Guide for testing payment processing through Authorize.NET
- Paypal Testing Guide – https://developer.paypal.com/docs/payflow/payflow-pro/payflow-pro-testing/
- Guide for testing payment processing through Paypal
- Algorithms for Competitive Programming – https://cp-algorithms.com/index.html
- Wiki containing algorithms and code snippets for use in competitive programming
- ACF Documentation – https://www.advancedcustomfields.com/resources/
- Documentation for the WordPress plugin, “Advanced Custom Fields”
- ModSecurity Wiki – https://github.com/SpiderLabs/ModSecurity/wiki
- Wiki containing information about configuring / writing rules for ModSecurity, an open source web-application firewall
Events
- Advent of Code – https://adventofcode.com/
- Yearly advent calendar of coding challenges
Learning
- LetsDefend - https://letsdefend.io/
- Hands-on blue team training
- TryHackMe - https://tryhackme.com/
- Hands-on cyber security training through real-world scenarios
- Cisco Networking ACademy - https://www.netacad.com/
- Free online courses. In-person learning. Certification-aligned pathways in topics like Cybersecurity, Networking, and Python.