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GanttPRO
Instagantt
GanttProject
Teamgantt
Smartsheet
Tom’s Planner
Microsoft Project
An intuitive Microsoft Excel add-in that instantly converts task lists into automated, interactive Gantt charts and project schedules.

Website, pricing, platforms and company facts side by side.
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JST
JavaScript Tutorial
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| Website | appcreator24.com | uniformsoftware.com |
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| Company | — | Startup from the United Kingdom · 1 - 9 employees · 2025 |
| Listed in | — |
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Timeline Task Planner (Gantt Chart Maker) is a high-performance COM add-in that transforms Microsoft Excel into a dedicated project management powerhouse. Built for professionals who want to avoid the steep learning curves and high costs of standalone enterprise project software, this tool allows...
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As answered by people managing JavaScript Tutorial and Gantt Chart Maker.
Gantt Chart Maker's answer:
Gantt Chart Maker (Timeline Task Planner) uniquely combines the native performance and flexibility of Microsoft Excel with a dedicated desktop project scheduling engine. Unlike static Excel templates that rely on fragile grid formulas or web apps that require uploading sensitive project data to third-party cloud servers, it functions as a native Windows COM add-in. It connects spreadsheet rows directly to an automated calculation layer that generates interactive timelines, auto-updating WBS hierarchies, 4-type task dependencies, and baseline tracking—all while keeping 100% of project data stored locally in standard .xlsx files and Microsoft Access databases.
Gantt Chart Maker's answer:
Gantt Chart Maker's answer:
The primary audience includes project managers, engineers, operations leads, IT managers, and consultants working in Windows environments who already rely on Microsoft Excel for daily project planning. It is specifically tailored for teams that require enterprise-grade project scheduling capabilities—such as task dependency cascading, baseline comparison, and custom resource calendars—but want to avoid expensive standalone web platforms, vendor lock-in, or sending confidential project schedules to external cloud servers.
Gantt Chart Maker's answer:
Gantt Chart Maker was built to bridge a major gap in project management tools. On one end, traditional web-based project management platforms force teams onto complex web interfaces, monthly per-seat pricing tiers, and external cloud servers. On the other end, basic Excel Gantt templates are easily broken when dates shift, requiring tedious manual row and shape formatting. Gantt Chart Maker was engineered as a high-performance desktop COM add-in to give teams the best of both worlds: enterprise scheduling automation (dependencies, baselines, smart calendars) operating natively inside the familiar, flexible spreadsheet environment while maintaining absolute file ownership.
Gantt Chart Maker's answer:
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