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A side-by-side editorial comparison of Nutshell and SendPortal — release velocity, themes, recent moves, and the top alternatives to consider.
Nutshell adds CallRail call attribution after a quiet September
Nutshell shipped a dense run of features in August: branching email Smart Sequences, per-user quotas, calendar invitations with video links, a reworked QuickBooks Online integration, RingCentral SMS sync, revenue installments and numeric custom fields. After more than a month with no entries, it is back with a CallRail integration that ties inbound calls to the marketing source that produced them.
SendPortal hasn't tagged a release since July 2020.
The only tracked release is v1.0.3 from July 2020, which removed the laracatch-client dependency. No later tags appear in the feed, so for tracking purposes the project looks dormant.
Nutshell shipped a dense run of features in August: branching email Smart Sequences, per-user quotas, calendar invitations with video links, a reworked QuickBooks Online integration, RingCentral SMS sync, revenue installments and numeric custom fields. After more than a month with no entries, it is back with a CallRail integration that ties inbound calls to the marketing source that produced them.
Nutshell is folding jobs that usually need separate tools into the CRM: behavioral email, invoicing handoff, SMS and now call attribution. The newest move points the product toward small businesses that judge marketing spend by how often the phone rings, not only toward sales teams.
Expect more marketing-attribution reporting built on the CallRail data, since Smart Sequences and call tracking both feed the question of which channel produced a customer. The month-long gap makes the shipping cadence harder to predict.
The only tracked release is v1.0.3 from July 2020, which removed the laracatch-client dependency. No later tags appear in the feed, so for tracking purposes the project looks dormant.
With no tagged release in over six years, nothing is visible to project forward. Users should treat it as a stable but unmaintained codebase unless activity shows up elsewhere.
No new release is expected based on the entries shown.
Other Mkt Auto products tracked by Sparkpulse, ranked by recent ship velocity. Tap any card for the full editorial trajectory or compare directly with Nutshell.
Bigin went all-in on AI in 2026: MCP, Zia agents, now self-running follow-ups and payments.
GroupOffice ships 26.0.52 on schedule, and the notes still only explain how to install it.
Close builds out voice-agent skills while Workflows learn to react to edits.
Fat Free CRM's only tracked release is a test tag that pins the Ruby platform back to 3.4.
Twenty opens 2.46 by moving workflow rich text onto BlockNote.
Streak ships AI autofill templates that score deals and research accounts in one click.
Other Mkt Auto products tracked by Sparkpulse, ranked by recent ship velocity. Tap any card for the full editorial trajectory or compare directly with SendPortal.
OpenEMM ships versioned builds on schedule, with no notes on what changed.
Buttondown keeps shipping daily fixes, now for portal sign-in and embedded forms.
n8n patches how agents resume skill-loaded tools, on both maintained release lines.
Gumloop agents now carry their own secrets and can run fully incognito.
Formidable Forms keeps patching its add-on fleet, now fixing a datepicker that silently rewrote saved dates.
Moosend's feed is still all blog posts; no product release has surfaced in two months.
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
Both compete on the same themes — email-marketing — within Mkt Auto. Nutshell is currently shipping more aggressively (velocity 2.5 vs 0.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Nutshell is currently shipping more aggressively (velocity 2.5 vs 0.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Mkt Auto products to evaluate alongside.
Top Nutshell alternatives in Mkt Auto are ranked by recent ship velocity. Browse the "Nutshell alternatives" section above for the current picks, or visit /alternatives/nutshell-crm for the full list with editorial commentary on each.
Top SendPortal alternatives in Mkt Auto are ranked by recent ship velocity. Browse the "SendPortal alternatives" section above for the current picks, or visit /alternatives/sendportal for the full list with editorial commentary on each.