Network/Internet
- Internet Speed Test - https://fast.com/ , http://wifiman.com/
- SSL Test - https://www.ssllabs.com/ssltest/ , https://www.whynopadlock.com/ , https://www.sslshopper.com/ssl-checker.html
- Free website security check & malware scanner Test - https://sitecheck.sucuri.net/
- Port Forward Test - https://www.yougetsignal.com/tools/open-ports/
- Download Test Files - https://www.thinkbroadband.com/download
- Traceroute test - https://gf.dev/traceroute-test, https://www.site24x7.com/tools/trace-route.html
- Site test - https://gf.dev/toolbox
- Cisco IOS - http://tfr.org/cisco-ios/
- Monitoring Opened TCP/IP network ports / connections - https://www.nirsoft.net/utils/cports.html
- Email Generator / temporary email address - https://generator.email/
- Website Speed Test - https://tools.pingdom.com/
- Check Website Availability - https://www.site24x7.com/check-website-availability.html
- Public IP Checker - https://ipchicken.com/
- Reverse IP Lookup - https://reverseip.domaintools.com/
- Local Network IP - https://net.ipcalf.com/
- CurrPorts v2.65 - Monitoring Opened TCP/IP network ports - https://www.nirsoft.net/utils/cports.html
- Packet Sender - https://packetsender.com/
- DU Meter Internet monitor - https://www.hageltech.com/dumeter/download
- Port Forwarding Guides - http://www.pcwintech.com/port-forwarding-guides
- OpenvSwitch - http://www.openvswitch.org/download/
- Load Balancer - https://freeloadbalancer.com/download/
- OpenVPN - https://openvpn.net/
- Network Diagram - https://app.diagrams.net/
- Free SSL - https://zerossl.com/features/installation/
- SiteInspector - https://www.getsiteinspector.com/
- DNS Checker - https://www.whatsmydns.net/ , https://tools.keycdn.com/dig , https://dnschecker.org/all-dns-records-of-domain.php , https://dnschecker.org/all-tools.php, https://securitytrails.com/
- Who Is - https://who.is/ , https://whois.domaintools.com/
- Mail Server Test - https://www.wormly.com/test-smtp-server
- Instant Ping Test - https://www.dotcom-tools.com/ping-test
- Website Monitoring - https://www.uptrends.com/free-website-monitoring
- Web proxy - https://www.hidemyass-freeproxy.com/
- MS Edge Network Tools - https://learn.microsoft.com/en-us/microsoft-edge/devtools-guide-chromium/network/
WEB Services Checker
- AWS / Amazon - https://status.aws.amazon.com/
- Cisco Umbrella - https://status.umbrella.com/#/
- Cisco Tool Catalog - https://www.cisco.com/c/en/us/support/web/tools-catalog.html#/
- Cisco Check Device Coverage - https://cway.cisco.com/sncheck/
- Cloudflare - https://www.cloudflarestatus.com/
- Facebook - https://status.fb.com/graph-api
- LinkedIn - https://linkedin.statuspage.io/
- Microsoft Office - https://portal.office.com/servicestatus
- Microsoft Update Catalog - https://www.catalog.update.microsoft.com/home.aspx
- Oracle - https://ocistatus.oraclecloud.com/
- SAP Cloud - https://www.sap.com/uk/about/trust-center/cloud-service-status.html , https://status.support.sap.com/
- Sonicwall - https://status.sonicwall.com/
- Watchguard - https://status.dnswatch.watchguard.com/
- Real-time problem & outage monitoring - https://downdetector.com/
- Monitors the status of your favorite web services - https://www.isitdownrightnow.com/
- Status Consolidator - https://statusgator.com/users/sign_in#
- Public Cloud Services Comparison - https://comparecloud.in/
Web Tools
- Built With, Find out what websites are - https://builtwith.com/
- Tinypng, Smart WebP, PNG and JPEG compression - https://tinypng.com/
- Hubspot, relationship management (CRM) platform tool - https://www.hubspot.com/
- Webpagetest, Site Performance Tester - https://www.webpagetest.org/
- Geekflare, Another alternative tool for Site Performance Tester - https://geekflare.com/tools/toolbox
- Site24x7, Test the availability and performance of your website - https://www.site24x7.com/check-website-availability.html
- GetSiteInspector, Open-source tool that helps to find spelling errors, grammatical errors, and broken links on websites - https://www.getsiteinspector.com/
- SimilarWeb, Analyze Your Competitive Landscape - https://www.similarweb.com/
- Google Analytics - https://analytics.google.com/analytics/web/provision/#/provision
- WP-Rocket, web Caching Plugin to boost your loading time (Paid tool) - https://wp-rocket.me/
- PageSpeed - https://pagespeed.web.dev/
Desktop/Laptop:
- Keyboard Test - https://www.keyboardtester.com/tester.html
- Monitor Test - https://www.eizo.be/monitor-test/
- CPU Test - https://silver.urih.com/
- CPU Benchmark - https://www.cpubenchmark.net/ , https://www.tomshardware.com/reviews/cpu-hierarchy,4312.html
- RAM Test - https://peyty.github.io/web-online-ram-speed-test/
- HDD Test - https://hddscan.com/
- VGA Test - https://geeks3d.com/furmark/
- Windows Task Manager: The Complete Guide - https://www.howtogeek.com/405806/windows-task-manager-the-complete-guide/
- Hirens Boot Disk Win 10 PE - https://www.hirensbootcd.org/download/ ,
- Gandalf's Win 10 - https://getintopc.com/softwares/operating-systems/gandalfs-windows-10-pe-live-rescue-iso-free-download-1532160/
- Strelec Boot Disk Win 10 PE - https://sergeistrelec.ru/winpe-10-8-sergei-strelec-english/206-winpe-10-8-sergei-strelec-x86-x64-native-x86-20210721-english-version.html
- Lenovo Parts Lookup - https://support.lenovo.com/ph/en/partslookup
- Dell Product Support - https://www.dell.com/support/home/en-us?app=products
- HP Product Support - https://support.hp.com/gb-en/checkwarranty
- Unwanted Program Checker - https://www.shouldiremoveit.com/
- CPU Info, Monitor, Test - https://www.cpuid.com/
- Windows Crash Report Tool - https://www.nirsoft.net/utils/what_is_hang.html
- BurnIn Test - https://www.passmark.com/products/burnintest/
- POWER SUPPLY CALCULATOR - https://www.coolermaster.com/power-supply-calculator/
- Proper laptop battery usage guide - https://batterycare.net/en/guide.html
- Cloning - https://fogproject.org/download
SAP BASIS
- SAP Support Portal - https://support.sap.com/en/index.html
- SAP Technology Troubleshooting Guide - https://wiki.scn.sap.com/wiki/display/TechTSG/%28JSTTSG%29Main+Page
- NIPING to analyze SAP network connection - https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=360974069
- Basis Task / Activities - https://basisbynaveen.blogspot.com/2019/08/blog-post.html
- Basis Daily Monitoring T-Codes - https://blogs.sap.com/2020/10/19/basis-daily-monitoring-t-codes/
- SAP Monitoring & Performance Checks: Complete Tutorial with Tcodes - https://www.guru99.com/system-monitoring-performance-checks.html
- Performance Tuning - https://blogs.sap.com/2016/06/19/performance-tuning/
Linux
- Explain shell command - https://explainshell.com/
- Unix Rosetta Stone - http://bhami.com/rosetta.html
- JSLinux Run Linux in your browser! - https://bellard.org/jslinux/
- Linux Distribution Timeline - https://github.com/FabioLolix/LinuxTimeline
- FileTransfer.sh (Transfer via command line) - https://transfer.sh/
- Instant Terminal Sharing - https://tmate.io/
- Linux Commands (MindMap) - https://xmind.app/m/WwtB/?utm_source=substack&utm_medium=email#
Windows Application
- JAVA Dump Test - https://jstack.review/#tda_1_dump
- Lightscreen easy screenshot tool - https://lightscreen.com.ar/
- Roadkil's Unstoppable Copier - https://www.roadkil.net/program.php?ProgramID=29
- WinDirStat - Windows Directory Statistics - https://windirstat.net/download.html
- TreeSize Quick Windows Scan Directory - https://www.jam-software.com/treesize_free
- Wink (Create amazing screencasts and step-by-step video) - https://www.debugmode.com/wink/
- Free Online Screen Recorder - https://www.apowersoft.com/free-online-screen-recorder
- PDF Merge, split, rotate, convert tools - https://pdfsam.org/ , https://smallpdf.com/pdf-to-jpg , https://www.ilovepdf.com/pdf_to_jpg
- Everything. Locate files and folders by name instantly - https://www.voidtools.com/downloads/
- MacroRecorder - Record mouse and keyboard actions for infinite replay - https://www.macrorecorder.com/
- Notepad++ is a free source code editor - https://notepad-plus-plus.org/downloads/
- Desktop Creative Themes - https://www.deviantart.com/
Antivirus
- File Scan Test - https://opentip.kaspersky.com/
- Ransomware - https://www.nomoreransom.org/crypto-sheriff.php
- Independent Tests of Anti-Virus Software - https://www.av-comparatives.org/ , https://www.av-test.org/en/
- Trend Micro Ransomware File Decryptor - https://success.trendmicro.com/solution/1114221-downloading-and-using-the-trend-micro-ransomware-file-decryptor
- Ransomware Decryption Tools - https://www.thewindowsclub.com/list-ransomware-decryptor-tools
- Kaspersky - https://noransom.kaspersky.com/
- Additional ransomware resources - https://docs.microsoft.com/en-us/security/compass/human-operated-ransomware
Servers
- RAID Calculator - http://www.raid-calculator.com/
- Server Windows Admin Free Tools - https://www.manageengine.com/products/free-windows-tools/free-windows-tools-thanks.html
- Back up your files - http://www.worldbackupday.com/en/
- The Cloud Native Trail Map - https://landscape.cncf.io/
- Recover Files via CMD - https://www.minitool.com/data-recovery/recover-files-using-cmd-001.html
- HPE Warranty Status - https://support.hpe.com/hpsc/wc/public/home
- ClearOS - https://www.clearos.com/products/purchase/clearos-downloads
- OwnCloud - https://owncloud.com/download-server/
- Multi-Boot PXE server - https://erpxe.com/download/
- SQUID Proxy - http://www.squid-cache.org/Versions/
- RDS Setup - https://ryanmangansitblog.com/2013/03/27/deploying-remote-desktop-gateway-rds-2012/
Storage
- Open Media Vault - https://www.openmediavault.org/?page_id=77
- Emby - https://emby.media/download.html
- Kodi - https://kodi.tv/download/
- TrueNAS CORE (FREENAS) - https://www.truenas.com/download-truenas-core/
- XigmaNAS - https://xigmanas.com/xnaswp/download/
Backup
- Veeam - https://www.veeam.com/windows-endpoint-server-backup-free.html / https://www.veeam.com/virtual-machine-backup-solution-free.html
Virtualization
- oVirt - https://www.ovirt.org/
- Planet Virtual Tools - https://planet.virt-tools.org/
- SmartOS - https://www.joyent.com/smartos
- VirtualBox - https://www.virtualbox.org/wiki/Downloads
- Proxmox - https://proxmox.com/en/downloads
- VMware - https://www.vmware.com/products/vsphere-hypervisor.html
- Citrix - https://www.citrix.com/downloads/citrix-hypervisor/
- PushOver (real-time notifications on your Phone) - https://pushover.net/
Monitoring
- Cacti - https://www.cacti.net/info/downloads
- Paeessler - https://www.paessler.com/prtg
- Zabbix - https://www.zabbix.com/download
- Observium - https://docs.observium.org/
- Munin - https://munin-monitoring.org/download/
- Graylog - https://www.graylog.org/products/open-source#download-open
- Uptime Robot - https://uptimerobot.com/
Passwords
- Secure Password Generator - https://passwordsgenerator.net/
- Auto-pilot for all your passwords - https://www.lastpass.com/
Remote Tools
- Multi-Remote Next Generation - https://mremoteng.org/download
- MobaXterm - https://mobaxterm.mobatek.net/download.html
- AnyDesk - https://anydesk.com/en/downloads/windows
- WinScp - https://winscp.net/eng/download.php
- Putty - https://www.putty.org/
- Remote Utilities for Windows - https://www.remoteutilities.com/download/
- Apache Guacamole 1.3.0 - http://guacamole.apache.org/doc/gug/installing-guacamole.html
Simulation Tool
- Free EVENG Community Edition - https://www.eve-ng.net/index.php/download/#DL-COMM
- GNS3 - https://www.gns3.com/software/download
- Packet Tracer - https://www.netacad.com/courses/packet-tracer/introduction-packet-tracer
- Asus - https://demoui.asus.com/
- Dlink - https://routers.wtf/emul/DlinkOrange%20OFFLINE/index-2.html
- NETIS - https://www.netis-systems.com/Suppory/emulators.html
- Belkin - http://ui.belkin.com/
- Linksys - https://ui.linksys.com/
- Netgear - https://highspeed.tips/files/emulators/netgear_genie/start.html
- Router Emulators - https://highspeed.tips/routers/
- TENDA - https://www.tendacn.com/en/service/page/simulator.html
- TP LINK - https://www.tp-link.com/us/support/emulator/
- Ubiquiti - https://ispdesign.ui.com/#
- Sonicwall - https://livedemo.sonicwall.com/products/firewalls/#SonicOSDemo
- Fortinet - https://www.avfirewalls.com/Online-Demos.asp
- Best Network Simulation Tools - https://www.gns3network.com/best-network-simulation-tools/
- Sandboxie (runs your programs in an isolated space) - https://sandboxie-plus.com/sandboxie/
- Cisco Simulators - https://asecuritysite.com/cisco/
- DistroSea Linux Distros Online Simulator - https://distrosea.com/
Communication
- Asterisk - https://www.asterisk.org/downloads/
- FreePBX - https://www.freepbx.org/downloads/
Security
- PFSense - https://www.pfsense.org/download/
- Sophos - https://www.sophos.com/en-us/products/free-tools/sophos-xg-firewall-home-edition.aspx
- Metiix Blockade - http://www.metiix.com/blockade/downloads
- SmoothWall - https://smoothwall.org/download.html
- iSPY - https://www.ispyconnect.com/download.aspx
File Transfer
- MEGA - https://mega.io/
- DROPBOX - https://www.dropbox.com/
- RapidGator - https://rapidgator.net/site/index
- AnonFiles - https://anonfiles.com/
- 1 fichier - https://1fichier.com/
- Go File - https://gofile.io/welcome
- Mediafire - https://www.mediafire.com/
- We Transfer - https://wetransfer.com/
- ShareDrop - https://www.sharedrop.io/
- File Pizza - https://file.pizza/
- Pastebin store any text online for easy sharing - https://pastebin.com/
VPN
- OpenConnect/PrivateVPN - https://intercom.help/privatevpn/en/articles/6366468-openconnect-setup-guide-for-windows, https://intercom.help/privatevpn/en/
URL Shortener
- EXE.io - https://exe.io/
- Links Shorter - https://kutt.it/
Online Tools
- Draw Online eSignature - https://signaturely.com/online-signature/draw/
- Image Background Remover - https://www.photoroom.com/background-remover/
- File Transfer Calculator - https://www.expedient.com/knowledgebase/tools-and-calculators/file-transfer-time-calculator/
- Send Large Files Securely - https://www.dropsend.com/ , https://wetransfer.com/
- 330 Tools for Remote Work - https://docs.google.com/spreadsheets/d/1X3VmkgeRcdCW0FJ3vL05OOg59hNne0HvLp5TxG7mNm4/htmlview#
- Design - https://www.canva.com/
- ICON - https://icograms.com/designer
- QUIRE visual collaborative platform - https://quire.io/
- Whiteboard Online - https://witeboard.com/486643b0-606f-11eb-9c72-e7dcffcdf18e
- Stream Movies Free - https://www.plex.tv/watch-free/
- Site Collection #1 - https://www.reddit.com/r/homelab/comments/42zc51/homelab_collective_ressources_post/
- Site Collection #2 - https://github.com/awesome-selfhosted/awesome-selfhosted
- BlockDiag simple diagram images generator - http://blockdiag.com/en/
- Visio - http://www.visiocafe.com/
- Paste and Access Online (BIN) - https://bin.gy/
- Games Collab Online - https://kahoot.com/
- Youtube Downloader - https://www.y2mate.com/en450
- AWS & Azure Diagram - https://www.cloudcraft.co/
- Domain NamES - https://porkbun.com/awesome
Online Trainings - Servers, Networks
- Troubleshoot and make a sad server happy - https://sadservers.com/
- [The] Learning Platform to Master Cloud Native Craft - https://labs.iximiuz.com/
- System Administration for Smarties - https://terwal.fr/index.html
Latest Product Updates
- Best products - https://www.producthunt.com/
- Discover what’s really happening online - https://www.similarweb.com/
- g2 - https://www.g2.com/compare
Website / Link Reputation Checker
- Kaspersky https://opentip.kaspersky.com/
- Trendmicro - https://global.sitesafety.trendmicro.com/
- Url Void - https://www.urlvoid.com/
- Virus Total - https://www.virustotal.com/gui/home/upload
- Google - https://transparencyreport.google.com/safe-browsing/search
- Psafe - https://www.psafe.com/dfndr-lab/
Excel – The Ultimate Guide
Cisco Command Tools
- Using the Cisco IOS Command-Line Interface - https://www.cisco.com/c/en/us/td/docs/routers/ios/config/17-x/syst-mgmt/b-system-management/m_cf-cli-basics.html
AI Tools
Tips
- The Best IT Career Advice from 111 Industry Gurus - https://www.flackbox.com/best-it-career-advice
- The Busy Person's Guide to the Done List - https://app.idonethis.com/docs/The-Busy-Persons-Guide-to-the-Done-List.pdf
- How did you get your start as Linux Admin? - https://www.reddit.com/r/linuxadmin/comments/2s924h/how_did_you_get_your_start/cnnw1ma/
- Practice to become a Windows sysadmin? - https://www.reddit.com/r/sysadmin/comments/3z7qd9/practice_to_become_a_windows_sysadmin/cyjynxh/
- Tracking all tech startup layoffs since COVID-19. - https://layoffs.fyi/
- Expert Advise - https://blogs.sap.com/2013/07/03/how-to-transform-yourself-from-fresher-to-staunch-sap-consultant/