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source-lm vs PortifyLead

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

source-lm compared with PortifyLead
Detailsource-lm logo source-lmPortifyLead logo PortifyLead
What it doesChrome extension to bulk-add sources to NotebookLM from JSON exports, YouTube, and web pages Save LinkedIn contacts straight to your CRM without manual copy-paste work
StageNot given Not given
FoundedNot given Not given
Based inES Not given
Pricing modelPaid Freemium
PricingFree plan: 5 bulk actions per month, single sources always free. Pro licence: $29 one time, unlimited bulk runs. Free: $0/month with 15 saves and 5 AI Sales Briefs per month. Pro: $15/month (or $13/month billed annually) with unlimited saves and 1000 AI Sales Briefs per month. Agency: $39/month (or $33.25/month billed annually) with unlimited saves and unlimited AI Sales Briefs.
Key features
  • Split JSON exports into Markdown files with 400,000-word budget
  • Filter sources, detect duplicates, and batch delete
  • Incremental uploads skip already-added content
  • No account or login required
  • Source-available code published unminified
  • No data written to disk or stored on servers
  • Supports Telegram Desktop and Telegram for macOS exports
  • Direct contact capture from LinkedIn profiles
  • AI Sales Brief generation from conversations
  • Automatic duplicate detection on save
  • Custom field mapping per CRM destination
  • Follow-up task and calendar actions
  • Multi-CRM integration support
  • No automatic saves or background operation
  • Editable AI-generated sales briefs
What makes it different
  • No backend or recurring costs: pay once, keep the licence forever
  • Runs entirely in your browser with no account or login needed
  • Smart splitting keeps records whole and avoids duplicates on re-runs
  • Source-available and unminified so you can audit the code yourself
  • Extends NotebookLM's interface with bulk operations and source management tools
  • Saves LinkedIn contact details directly to CRM without manual copy-paste work
  • AI Sales Brief extracts needs and next steps from LinkedIn conversations
  • Free plan requires no credit card to start
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)15 −1 (down) since last check3 no change since last check
Trust Flow (Majestic)185
Citation Flow (Majestic)1522
Referring domains (Majestic)248

5 details filled in for both companies.

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