Replacement Guide

How to Build Your Own Sling

Replace Sling with a custom build. Free Employee Scheduling And Shift Planning Made Easy

Weekend Project
59 features7 integrationsOne weekend

Estimated Timeline

Based on 59 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.

1
Setup & scaffolding
2 hours
2
Core features
4-6 hours
3
Polish & deploy
2 hours

Recommended Tech Stack

Next.js 14

Full-stack React framework with API routes and server components

Supabase

PostgreSQL database, auth, and real-time subscriptions

Tailwind CSS

Utility-first styling for rapid UI development

Prisma

Type-safe ORM for complex relational data models

Key Features to Replicate

Top features across 8 categories. See all 59 features

Scheduling(16 features)

Auto-assigning

Save time and let Sling assign shifts automatically

Available Shifts

Easily see which shifts still need to be filled

Calendar Synchronization

Keep track of scheduled shifts on any calendar app

Day Parts

Organize schedules by morning, afternoon or night shift

Long-term Scheduling

Build employee schedules months in advance

+11 more in this category

Time & Attendance(14 features)

Attendance ReportsPremium

Report on total hours worked, sick call-outs, late arrivals and more

Auto Clock-outPremium

Automatically end a shift if employees forget to clock out

Break AttestationPremium

Require employees to acknowledge whether they took or missed a break before they clock out

Early Clock-in PreventionPremium

Prevent employees from starting their shifts too early

GeofencingPremium

Ensure employees are on-site when clocking in and out, and automatically stop tracking time if outside boundaries

+9 more in this category

Communication(8 features)

Announcements

Send important information to team

BCC Messages

Send direct messages to multiple people at once

Group Messaging

Communicate with multiple employees in group conversations

News Sharing

Share news with team through targeted pages

Newsfeed

Share news efficiently and save paper - distribute information to specific groups and post updates, files, pictures and videos

+3 more in this category

Labor Management(8 features)

BudgetingPremium

Stay on budget when setting employee schedules

ClopeningPremium

Comply with local rules and mandated rest times between shifts

Holiday PayPremium

Assign extra pay to shifts on holidays

Labor Cost ManagementPremium

Keep track of labor costs and compare against sales

Labor Cost Optimization

Set weekly labor budgets, track preferred hours and overtime thresholds, and get alerted of any excess

+3 more in this category

Reporting(4 features)

Labor ReportsPremium

View reports of total hours worked and wages earned

Payroll ReportsPremium

Aggregate and sync reports for payroll processing

Reports

Analyze and understand labor data by pulling reports for custom periods

Sales ReportsPremium

Import projected sales data and compare with actual sales

Task Management(3 features)

Shift Tasks

Attach tasks and checklists to a shift for clarity

Task Management

Distribute tasks across team and clarify what needs to be done during each shift

Task Templates

Save time assigning recurring work with templates

Management(2 features)

Access Control

Three levels of access - Admin, Manager, and Employee - for different responsibilities

Multi-location Management

Manage teams across multiple locations

Time Off(2 features)

PTO ManagementPremium

Cap paid time off by leave types and approve incoming requests based on remaining allowances

PTO Tracking

Track employees' paid time off

Cost Calculator

Keep Paying Sling

Monthly$2/mo
Yearly$24/yr
5-Year Total$120

Build It Yourself

Est. Build Time~4 hrs
Hosting$20/mo
DifficultyVery Easy

Total Cost Comparison

1 Year
SaaS
$24
DIY
$240
3 Years
SaaS
$72
DIY
$720
5 Years
SaaS
$120
DIY
$1.2k

DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 59 features at very easy complexity.

Ready to Build?