01Research
ResearchTech stack + offer workshop
Check out our open source tools to give Claude Code GTM superpowers→
Built for operators. No signup, no gate.
Free B2B sales & cold email tools
The tools we actually run inside LeadGrow. Check deliverability, detect tech stacks, model pipeline, clean lead lists. All free. All in-browser.
8Free Tools
0Signups Required
100%Browser-Side
The outbound workflow, covered.
These tools aren't random utilities. They're the stages of a working outbound engine.
02Deliverability
DeliverabilityMX + spam + domain health
03Planning
PlanningROI + pipeline calculators
04Data
DataCSV merge + dedupe
Deliverability
MX Checker
Check MX records for any domain. Detect blocked gateways like Proofpoint and Mimecast before you send.
> hubspot.com
✓ 3 MX records · Google Workspace
Spam Word Checker
Analyze your email copy in real-time. Catch spam trigger words and get replacement suggestions.
> Don't miss out on this exclusive offer!
✓ 2 spam words flagged
Domain Health Check
Audit SPF, DKIM, DMARC, and MX records. Get a health score and actionable recommendations.
> stripe.com
✓ SPF ✓ DKIM ✓ DMARC p=reject · score 94
Research
Tech Stack Detector
Detect 170+ technologies on any website. Find companies using specific tools for targeted outreach.
> notion.so
✓ Next.js, Vercel, Segment, Amplitude
Offer Workshop
Analyze any website and generate targeted offer angles. Find the messaging that resonates.
> stripe.com
✓ 3 stealth offer angles generated
Planning
Outbound ROI Calculator
Calculate the potential ROI of outbound for your business. Project pipeline and revenue over 6 months.
Pipeline Calculator
Model your outbound engine with operational inputs. Compare what-if scenarios to find the highest-leverage optimizations.
Data
CSV Merge & Dedupe
Merge multiple CSV files, deduplicate by domain or email, and clean your lead lists.
> 2 CSVs, 4,800 rows
✓ 3,920 unique · 880 dupes removed
OutcomeYou ship outbound on the same instruments we run inside LeadGrow — no gated trials, no scraped emails, no upsell.
Want the full GTM stack?
The free tools are the tip. The full stack is what we run for clients. Custom enrichment, multichannel sequencing, campaign operations.
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