DofoToolSee every exposure, act before it is exploited PricingContact DeploymentCloud APIAvailableStartupToolbox·Jun 30, 2026Deepinfo is a Continuous Threat Exposure Management platform that indexes the internet to help security teams discover assets, monitor exposures and data leaks, and manage external attack surface and third-party risk.Alternative toRFRecorded Future|CCensys|SShodan
DomainrToolFast, free domain name search across all TLDs PricingFree tier DeploymentCloud APIAvailableStartupToolbox·Jun 30, 2026Domainr is a domain name search tool and API that checks availability across every TLD in real time with instant per-keystroke search, suggestions and status monitoring. It is now offered as the Fastly Domain Research API.Alternative toIDInstant Domain Search|NNamecheap|GGoDaddy
FlameDomainToolFree AI domain name generator for instant ideas PricingFree tier DeploymentCloud Use casedomain name ideasStartupToolbox·Jun 30, 2026DomainWheel is a free AI-powered domain name generator that creates catchy, brandable domain suggestions from keywords, checks availability, and links out to registrars. It helps you find and register a name on the spot.Alternative toNNamelix|LDLean Domain Search|IDInstant Domain Search
NamechkToolCheck username and domain availability everywhere PricingFree tier DeploymentCloud Use caseusername availability checkStartupToolbox·Jun 30, 2026Namechk checks a username or name for availability across 30+ domain extensions and 100+ social media platforms simultaneously, with instant feedback and direct links to register.Alternative toNNameCheckr|NNamecheap|KKnowEm
NamemeshToolDomain name generator for perfectionists PricingFree tier DeploymentCloud Use casedomain name generationStartupToolbox·Jun 30, 2026NameMesh is a free domain name generator that takes your keywords and produces available domain suggestions using synonyms, prefixes, suffixes, and new gTLDs, grouped into categories like Common, SEO, Short, and Fun.Alternative toNNamelix|NNaminum|NNameboy
NamingMattersToolRate and rank trademark results for your names Stars125 Forks67 Last commitJun 30, 2026StartupToolbox·Jun 30, 2026NamingMatters is a trademark search platform that rates, ranks, and visualizes business, product, service, and brand names against trademarks, social handles, and URLs across multiple jurisdictions before you commit.Alternative toNNameScore|TTrademarkia|USUSPTO Search
NaminumToolFast free domain name generator and search PricingFree tier DeploymentCloud Use casedomain name generationStartupToolbox·Jun 30, 2026Naminum is a free domain name generator and search engine that quickly produces and checks availability of domain names in .com, .net, and .org, including portmanteaus from two-word inputs.Alternative toNNameMesh|NNamelix|NNameboy
Trademark Search by MarcariaToolFree trademark search tool by name, number, or owner PricingFree tier DeploymentCloud Use casetrademark searchStartupToolbox·Jun 30, 2026Marcaria's Trademark Search is a free tool that lets you check trademark availability by name, number, or owner across countries. It is backed by paid attorney-led similarity searches and registration services.Alternative toUTUSPTO TESS|TTrademarkia|LLegalZoom