How to Connect 15Five with Invoice Ninja (2026)

15Five

★★★★ 4.4

Hr Recruiting Performance

A performance management platform with continuous feedback, OKRs, engagement surveys, and manager effectiveness tools.

Full Review

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Invoice Ninja

★★★★ 4.5

Finance Accounting Invoicing

A free open-source invoicing and payment platform for freelancers and small businesses with time tracking and proposals.

Full Review

About These Tools

15Five: A performance management platform with continuous feedback, OKRs, engagement surveys, and manager effectiveness tools.

Invoice Ninja: A free open-source invoicing and payment platform for freelancers and small businesses with time tracking and proposals.

Key Features

15Five

Weekly check-ins
OKRs
Engagement surveys
Performance reviews
1-on-1s
High fives recognition

Invoice Ninja

Invoicing
Proposals
Payments
Time tracking
Expense tracking
Recurring invoices

Pricing

15Five

Subscription $4-$14/user/month

Invoice Ninja

Freemium Free-$14/month

Detailed integration guide coming soon. We're researching the specific ways 15Five and Invoice Ninja work together — including native integrations, third-party connectors, and API options. Check back for a complete step-by-step guide.

Connect via Integration Platform

These platforms can help you connect 15Five and Invoice Ninja without writing code:

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