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Related Products
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EternalEngine:
About
EternalEngineOS combines five business functions — CRM, invoicing, payments, booking, and email — in one app for solo founders and small service businesses. The one-person business back office: CRM, invoicing, payments, booking and email. Manage clients and contacts, send invoices and estimates, take payments, schedule bookings on your calendar, and send email — all in one place, without juggling five separate subscriptions. EternalEngineOS replaces the patchwork of separate CRM, invoicing, payment, booking and email tools with one simple app designed for one-person businesses. Free tier: $0, no credit card required. Basic: $9.95/mo flat with a 30-day no-card trial. Team $49/mo, Pro $99/mo, Business $199/mo. Built for solo founders and small businesses of every kind. Start free, no card. Basic is $9.95/mo when you're ready. Launched 3 months ago and in beta.
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Sailia:
About
Sailia is a cloud-based all-in-one booking and business management platform built specifically for activity centres, watersports operators, visitor attractions, tour operators, and other experience-based businesses to run daily operations smoothly from a single system. It consolidates online bookings, payment processing, point-of-sale, waivers, memberships, CRM, automated communications, and marketing tools so you can manage customers, staff, schedules, and finances without juggling separate software. Sailia’s dashboard lets you coordinate bookings, equipment, staff, and capacity in real time, prevent double-booking, and handle bulk changes like weather-related cancellations quickly, while automated follow-up emails, reminders, and branded campaigns help keep customers engaged without extra work. Additional capabilities include segmentation and marketing automation, multi-location management, reporting and analytics, and integrations.
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EternalEngine:
Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Sailia:
Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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EternalEngine:
Audience
Service businesses and small businesses
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Sailia:
Audience
Experience-based businesses, activity centres, and watersports operators that want a platform to manage bookings, operations, marketing, and customer engagement
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EternalEngine:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Not Supported
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Sailia:
Support
Phone Support
Not Supported
24/7 Live Support
Supported
Online
Supported
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EternalEngine:
API
Offers API
Not Supported
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Sailia:
API
Offers API
Not Supported
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EternalEngine:
Screenshots and Videos |
Sailia:
Screenshots and Videos |
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EternalEngine:
Pricing
$9.95/month
Free $0 (no card, not a trial). Basic $9.95/mo flat, with a 30-day no-card trial. Team $49/mo. Pro $99/mo. Business $199/mo.
Free Version
Supported
Free Trial
Supported
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Sailia:
Pricing
No information available.
Free Version
Not Supported
Free Trial
Not Supported
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EternalEngine:
Reviews/
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Sailia:
Reviews/
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EternalEngine:
Training
Documentation
Not Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Sailia:
Training
Documentation
Supported
Webinars
Supported
Live Online
Supported
In Person
Not Supported
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EternalEngine:
Company InformationEternalEngine
Founded: 2026
United States
eternalengineos.io/basic/
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Sailia:
Company InformationSailia
United Kingdom
sailia.com
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EternalEngine:
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Sailia:
Alternatives |
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EternalEngine:
Categories |
Sailia:
Categories |
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EternalEngine:
Business Management Features
Billing & Invoicing
Supported
CRM
Supported
Employee Management
Not Supported
Financial Management
Supported
Inventory Management
Not Supported
Marketing Management
Supported
Order Management
Not Supported
Point of Sale (POS)
Not Supported
Project Management
Not Supported
Purchasing
Not Supported
Scheduling
Supported
Time & Expense Tracking
Not Supported
Training Management
Not Supported
Vendor Management
Not Supported
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EternalEngine:
Integrations
GetYourGuide
Not Supported
Tripadvisor
Not Supported
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Sailia: | |||||
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EternalEngine:
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Sailia:
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