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6 Best Celtx Alternatives in 2026, Free Options Included

Explore 6 alternatives to Celtx, vetted by our editors with real user reviews, pricing, and feature comparisons.

Best free Celtx alternatives, ranked and compared

Quick answer

The quick answer: the best Celtx alternatives are Smartsheet, Quire and Float. Smartsheet tops the list with a SpotScore of 9.8 and a 4.56★ rating. Compare all 6 on score, rating, and pricing below.

If you're weighing whether Celtx still fits, this lineup helps. These 6 project management software free alternatives are the top contenders, ordered by SpotScore, a measure of verified satisfaction and market presence, plus star ratings and pricing model. Each one passes editorial review. Use the table to compare, then explore the breakdowns below.

ProductSpotScoreRatingPricingBest for
SmartsheetStreamline your projects with Smartsheet's powerful tools.9.8★★★★★ 4.56(2444)Freefrom $9/moteams of all sizes
QuireStreamline your team's workflow with Quire.9★★★★★ 4.67(60)Freefrom $7.65 /user/monthteams of all sizes
FloatEffortlessly manage projects and collaborate seamlessly.8.6★★★★★ 4.51(437)Freefrom $6teams of all sizes
GantterSimplify your project management and boost productivity.8.3★★★★☆ 4.3(5)Freefrom $5 /User/Monthteams of all sizes
KendisStreamline teamwork for successful projects8★★★★★ 4.75(2)Freefrom $5 /User/Monthmid-size & enterprise teams
Project InsightEffortlessly manage projects with Project Insight.7.7★★★★☆ 3.57(15)Freefrom $9teams of all sizes

9.8

SpotScore

Smartsheet - Project Management Software

Smartsheet

RECOMMENDED

Streamline your projects with Smartsheet's powerful tools.

Best for: SMB teams · Mid-market · Enterprise

4.6

2444 verified reviews

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What is Smartsheet?

Smartsheet is a dynamic project management tool that simplifies tracking and planning for teams of all sizes. Offering a user-friendly interface, it’s designed to adapt to your unique workflows, whether you're managing simple checklists or complex project plans. Smartsheet’s intuitive platform ...

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Smartsheet offers custom pricing plan

9.0

SpotScore

Quire - Project Management Software

Quire

Streamline your team's workflow with Quire.

Best for: SMB teams · Mid-market · Enterprise

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4.7

60 verified reviews

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What is Quire?

Quire is project management software built around unlimited task nesting, giving teams a structured way to connect project goals with detailed execution. Task-level execution and portfolio reporting remain connected across projects spanning multiple phases, teams, and responsibilities. Quire ...

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Free TrialTry Free →

8.6

SpotScore

Float - Project Management Software

Float

Effortlessly manage projects and collaborate seamlessly.

Best for: SMB teams · Mid-market · Enterprise

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4.5

437 verified reviews

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What is Float?

Float is a resource management and scheduling tool for project managers and team leads at agencies and professional services firms who need to plan team capacity and visualize workload across active projects. It uses drag-and-drop scheduling with color-coded project lanes, real-time capacity ...

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8.3

SpotScore

Gantter - Project Management Software

Gantter

Simplify your project management and boost productivity.

Best for: SMB teams · Mid-market · Enterprise

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4.3

5 verified reviews

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What is Gantter?

Gantter is a project management software that simplifies your management of projects and tasks, helping you to gain more control and improve productivity. It's easy to use, intuitive interface allows you to start working on your project in minutes. Gantter has all the most necessary features ...

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Free Trial

8.0

SpotScore

Kendis - Project Management Software

Kendis

Streamline teamwork for successful projects

Best for: Mid-market · Enterprise

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4.8

2 verified reviews

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What is Kendis?

Kendis is a web-based project management software designed to help teams collaborate on projects and organize tasks. Ideal for projects in engineering or construction, Kendis facilitates discussion and planning among team members and integrates with project management software from Autodesk, ...

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Free Trial

7.7

SpotScore

Project Insight - Project Management Software

Project Insight

Effortlessly manage projects with Project Insight.

Best for: SMB teams · Mid-market · Enterprise

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3.6

15 verified reviews

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What is Project Insight?

Project Insight is an acclaimed project and work management software that makes administering projects and tasks in one go a reality. It offers effective scheduling, budgeting, capacity planning, time and expense tracking, client rate management, project billing and so much more - all on a ...

Read more about Project Insight
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Project Insight offers custom pricing plan

Celtx competitors, compared

Celtx competes with 6 other project management software tools tracked on Spotsaas. The closest by feature overlap are Smartsheet, Quire and Float. Each is compared against Celtx on rating, pricing and feature coverage below.

What else works like Celtx?

Searches for "sites like Celtx" and "apps like Celtx" land on the same set of options as "Celtx alternatives" — the 6 options below cover both, whether you want a like-for-like replacement or something lighter.

What each tool does well

Smartsheet9.8Best for teams of all sizes

Customizable and user-friendly interface, making it accessible for both beginners and experienced professionals.

Watch for: Advanced features may require a learning curve, making onboarding somewhat challenging for new users.

Quire9Best for teams of all sizes

Clean interface that requires minimal learning, accessible for beginners.

Watch for: Some features require an internet connection, which can disrupt workflow.

Float8.6Best for teams of all sizes

Requires minimal training to get started, with fast onboarding.

Watch for: Integrations are limited beyond Asana and Workflow Max.

Gantter8.3Best for teams of all sizes

Intuitive interface

Watch for: Limited advanced features

Kendis8Best for mid-size & enterprise teams

Integrates with popular software

Watch for: Limited features for non-engineering projects

Project Insight7.7Best for teams of all sizes

Automates repetitive project management tasks, reducing manual effort and maintenance issues.

Watch for: Performance issues like glitches, slow functionality, and lag often hinder productivity.

What makes a good Celtx replacement

How these 6 project management software free alternatives measure up: 6 offer a free tier; paid plans run $5–$9, with Gantter the cheapest entry point; and Kendis is the highest rated at 4.75★ across 2 reviews.

What drives the order.

Frequently Asked Questions (FAQs)

Stuck on something? We're here to help with all the questions and answers in one place.

The top-rated alternatives to Celtx are Kendis (4.8★), Quire (4.7★), Smartsheet (4.6★). Compare all 6 alternatives side-by-side above.

When evaluating alternatives to Celtx, prioritize: Cloud Storage, Reports, Budget Management, Collaboration, Expense Tracking, transparent pricing, free trial availability, and integrations with your existing tools. Use the filters above to compare by feature, budget, and team size.

Celtx starts from $7.50 /Month. Many alternatives offer similar functionality at different price points — some with free tiers, others with more flexible per-seat pricing. Use the filters above to narrow by budget.

Migration difficulty depends on how deeply Celtx is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend narrowing to 2–3 options, running a free trial, and checking each vendor's migration guides before committing.

The right Celtx alternative for your situation

  • On a budget / just exploring: start with a free tier — Smartsheet, Quire and Float let you evaluate without paying upfront.
  • If real-user ratings matter most: Kendis has the strongest star rating (4.75★) among the options with verified reviews.
  • Want the safest pick: Smartsheet has the highest Spotsaas Score (9.8) in this list — a strong default if you're unsure.

How to move on from Celtx

A safe move off Celtx starts with the basics: export your data and test the import into your new tool. Make sure the workflows you depend on are covered, run a short pilot, and keep Celtx active until the migration is finished. Free tiers above make trialing easy.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].