Best Network Tools in 2026

All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.

Key MxToolBox features:

Ease of Use Comprehensive Tools Speed Free Tier

A centralized log management and SIEM platform built for compliance, auditing, anomaly detection, and infrastructure visibility.

Key BusinessLOG SOC features:

Category Deployment Log Collection SIEM Capabilities

Try for free paid Free Trial €2.7 / Monthly (Per Host) Sponsored

10015.io is an all-in-one toolbox offering many tools from various categories.

Key 10015.io features:

User-Friendly Interface Wide Range of Tools No Registration Required Cross-Platform Support

Free DNS and network diagnostic tools. Look up DNS records, check email authentication, inspect SSL certificates, and verify IP reputation — all in one place.

Key Mr.DNS features:

Simple DNS Management Affordable Pricing Reliable Uptime Multiple Record Type Support

Free network, security, coding & text tools that run entirely in your browser. No install, no sign-up; nothing you enter is sent to a server.

Key DevelopK.kr features:

Developer-focused community Localized content Niche community building Potential networking opportunities

free

Free, no-signup internet speed test — download, upload, ping and jitter in one click, with a plain-language explainer of what your numbers mean.

Key internetspeedtest.net features:

Simple and Free to Use Measures Key Metrics Accessible Anywhere No Installation Required

Open OTDR files from any instrument in the browser: .sor, .msor, EXFO and Anritsu .trc, Fluke .tst, VIAVI .csor and more. Measure, save as .sor, get a PDF report. Free without sign-up; Professional adds whole-cable reports, batch edits and projects.

Key OTDR Master features:

File formats supported Archives Measurements Analytics Editing

freemium $9.99 / Monthly (Professional, billed yearly ($119.88))

Deeper Network project represents a blockchain-based Secure Shared Network and a Proof of Credit-based Consensus Network.

Key DPN features:

Decentralized Private Network Smart Routing Per-App Routing Region Selection

paid Free Trial $3.99 / Monthly

Toolify Studio - 312+ Free AI Tools & Generators.

Key Toolify.studio features:

AI Tool Directory Categorized Browsing Free to Browse Regular Updates

free

340+ free SEO, PDF, image, video and developer tools. Files are processed in your browser and never uploaded. No sign-up, no watermarks.

Key SEOpeck features:

Browser Extension On-Page SEO Checker No File Uploads Schema Validation

free

Browser-native network lab - the modern alternative to EVE-NG and GNS3.

Key netplex features:

User-friendly interface Niche focus Efficient matching or discovery tools Active community engagement

162 free online tools and 400+ tested guides for server admins: DNS, email, SSL, blacklist and network checks. No sign-up.

Key srvScripts features:

Free to Use

free

Is it the network, or your machine? A free 60-second answer.

Key Acutis Go features:

Faith-Based Focus Mobile Accessibility Structured Learning Path Community Engagement

Premium online PDF tool set.

Key iLovePDF features:

User-Friendly Interface Wide Range of Tools Free Version Available Cloud Integration