1. Great tools for SoftwareTesting
   1. Exсel
   2. Chrome Developer Tools
   3. MindMaps
   4. Notepad++
2. Test Desing
   1. PICT (PairWise)
   2. yEd Graf Editor
   3. GrafWalker
   4. Checklist
3. Data input
   1. BugMagnet
   2. big-list-of-naughty-strings
   3. Mockaroo
   4. generatedata.com
   5. lipsum.com
   6. Form Filler
4. Exploratory Testing
   1. Exploratory Testing Chrome Extension
   2. Test & Feedback
5. Screen capture tools
   1. PicPick
   2. Screencast-o-matic
   3. joxi.ru
   4. Snagit
6. AI tools
   1. AppliTools Eyes
   2. test.ai
   3. testim.io
   4. retest
   5. mabl
   6. sealights
   7. tensorflow
   8. mahout
7. Functional
   1. Katalon Studio
   2. Selenium
   3. puppeteer
   4. moqa for mobile app
8. API
   1. Postman
   2. SoapUI
   3. Fiddler
   4. Charles
9. Performance
   1. JMeter
   2. Blazemeter
   3. flood.io
   4. Locust
   5. PageSpeed
   6. yslow
   7. WebPageTest
   8. yandex tank
   9. Lighthouse
   10. Sitespeed
10. Security
    1. SQL Inject Me
    2. OWASP ZAP
    3. Burp
    4. Netsparker
    5. Acunetix
    6. SkipFish
    7. SQLMap
    8. Nikto
    9. w3af
11. Cross-browser testing
    1. browserstack
    2. EndTest
    3. Saucelabs
12. Monitiring in prod
    1. Kibana
    2. new relic
    3. zabbix
    4. grafana
13. Prototyping
    1. Figma
    2. Balsamiq Mockups
14. moreover
    1. Bugs tracker
    2. Test Management
    3. Test Case Tool
    4. Deployment
    5. VPN
    6. Virtualization
    7. For test automation
       1. IDE
       2. Cucumber
       3. NUnit, JUnit
       4. TestNG
       5. Allure
       6. ...
    8. ....
15. More tools you can find here
    1. https://saucelabs.com/blog/outfitting-a-testing-tool-belt
    2. https://www.testtoolreview.de/en/
    3. http://qala.io/blog/test-tools.html
    4. 30 days of ecommerce testing: tools
    5. 7 Innovative AI Test Automation Tools for the Future: The Third Wave