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MultiYaxis
Microsoft Excel Office.js add-in from Ps25 Labs LLC (marketplace title MultiYaxis, AppSource WA200012248, publisher Ps25 Labs LLC / PN200007566, builtFor Microsoft 365, AppVersion 1.0.0.1) that installs from the Microsoft Marketplace Excel add-in store and adds unlimited independent Y axes to a single Excel chart, each with its own scale, units, color, and left or right position. Marketplace title MultiYaxis | Microsoft Marketplace (https://marketplace.microsoft.com/en-us/product/office/WA200012248 HTTP 200): MultiYaxis by Ps25 Labs LLC; Get it now (CTA_Get). Marketplace JSON (https://marketplace.microsoft.com/view/app/WA200012248?country=US HTTP 200): appActionType FREE; hasPrices false; additionalPurchasesRequired true; WorksWith Excel_2013, Excel_2016, Excel_2016_Mac, Excel_2019, Excel_2019_Mac, Excel_Online, Mac_Excel, Win32_Excel, Excel_M365_Mac, Excel_M365_Win; ReleaseDate 2026-09-25; AppVersion 1.0.0.1; SupportLink https://multiyaxis.com/support; PrivacyPolicyUrl https://multiyaxis.com/privacy; determinedStorefronts Appsource; linkedAddIns empty; short description Add unlimited independent Y axes to a single Excel chart, each with its own scale, units, and color. Marketplace description: Free tier 3 Y axes, full charting controls, template saving, and watermarked exports with no account required; 5 chart types (line, spline, area, bar, scatter); paid plans (Pro, Team, Executive) unlock unlimited axes and watermark-free exports; purchase license keys at multiyaxis.com/pricing. Vendor product title Home | MultiYAxis (https://multiyaxis.com/ HTTP 200): The first and only Excel addin dedicated to plotting more than two Y axes; Try for Free from the Microsoft Store; Start for free — no account required; Get 3 Y axes, full charting controls, and template saving; Free exports include a MultiYAxis watermark. Vendor pricing title Pricing | MultiYAxis (https://multiyaxis.com/pricing/ HTTP 200): Free $0 3 Y axes, watermarked exports, Install Free from AppSource; MOST POPULAR Pro $180 / year 1 person · 3 devices · everything unlocked or $530 One-time Purchase; Team $675 / year 5 people; Department $1,900 / year 20 people; Executive $3,500 / year Unlimited licenses, one company; How it works: install the free add-in from AppSource, purchase a license key here, paste the key into the add-in to unlock. Vendor features title Features | MultiYAxis (https://multiyaxis.com/features/ HTTP 200). Vendor support title Support | MultiYAxis (https://multiyaxis.com/support/ HTTP 200): support@multiyaxis.com; include Excel version (Excel 365, Excel 2021) and operating system (Windows or macOS). Vendor privacy title Privacy Policy | MultiYAxis (https://multiyaxis.com/privacy/ HTTP 200): last updated July 14, 2026; applies to the MultiYAxis Excel Add-in and multiyaxis.com; payment processor Polar. Vendor terms title Terms of Use | MultiYAxis (https://multiyaxis.com/terms/ HTTP 200): last updated August 15, 2026; Free Tier / Paid Licence (Annual) / Paid Licence (One-Time Purchase). Marketplace Get it now is free to install; public Free $0 then Pro $180/year HTML is live. This listing is the Excel Office.js add-in MultiYaxis; do not dual-list the multiyaxis.com website as a standalone product.
VisualizationProductivityOFC Toolset for Excel
Microsoft Excel Office.js add-in from OFC Solutions LLC (marketplace title OFC Toolset for Excel, AppSource WA200010706, publisher OFC Solutions LLC / PN200006679, builtFor Microsoft 365, AppVersion 2.70.1.0) that installs from the Microsoft Marketplace Excel add-in store and bulk-formats Excel charts (colors, fonts, axes, gridlines, labels, borders) from a Home-tab task pane. Marketplace title OFC Toolset for Excel | Microsoft Marketplace (https://marketplace.microsoft.com/en-us/product/office/WA200010706 HTTP 200): OFC Toolset for Excel by OFC Solutions LLC; Get it now (CTA_Get / appActionType FREE). Marketplace JSON (https://marketplace.microsoft.com/view/app/WA200010706?country=US HTTP 200): additionalPurchasesRequired false; hasPrices false; WorksWith Excel_2016, Excel_2016_Mac, Excel_2019, Excel_2019_Mac, Excel_Online, Mac_Excel, Win32_Excel, Excel_M365_Mac, Excel_M365_Win; ReleaseDate 2026-05-04; AppVersion 2.70.1.0; SupportLink https://tools.ofcsolutionsllc.com/excel/help.html; PrivacyPolicyUrl https://tools.ofcsolutionsllc.com/excel/privacy-policy.html; determinedStorefronts Appsource; linkedAddIns empty; short description Professional chart formatting tool for Excel. Marketplace description: OFC Toolset for Excel is a professional chart management add-in for business analysts, consultants, and anyone who creates standardized Excel reports; series color customization for column, bar, line, and area charts; data-point colors for pie and doughnut charts; plot-area and chart-border formatting; axis ticks and gridlines; titles, data labels, and legends; gap-width for column/bar charts; line smoothing and markers; chart scanning in under 110ms. Vendor product title OFC Toolset for Excel — Format every chart in your workbook. At once. (https://tools.ofcsolutionsllc.com/ HTTP 200): Chart Manager is an Excel add-in; Get it free on AppSource; Works in Excel for Windows, Mac, and the web; built on Office.js; data never leaves Excel. Vendor install title Help & Support - OFC Toolset (https://tools.ofcsolutionsllc.com/excel/help.html HTTP 200, Version 2.71.0): Open Microsoft Excel; Go to Insert → Get Add-ins; Search for "OFC Toolset"; Click Add to install; Access the add-in from the Home tab ribbon; look for the OFC Toolset group in the Home ribbon and click OFC Toolset to open the task pane. Vendor pricing on the same help page: Free tier with no account required and full read/write for the first chart (other charts grayed out); 30-day free trial of Pro with no payment required; Pro $4/month or $36/year unlimited read and write, purchased through Microsoft AppSource; Microsoft 365, Office 2019 or later; Windows, macOS, Office Online. Vendor privacy title Privacy Policy - OFC Toolset (https://tools.ofcsolutionsllc.com/excel/privacy-policy.html HTTP 200, last updated April 1, 2026). This listing is the OFC Toolset for Excel Microsoft Excel Office.js store add-in WA200010706 — not OFC enterprise custom Office automation, not ChartManager as a second catalog row, and not a separate PowerPoint add-in.
VisualizationProductivityOpenSolver
Desktop Excel VBA add-in from Andrew Mason and students in the Department of Engineering Science at the University of Auckland (later development by Jack Dunn at MIT) that extends Excel's built-in Solver with more powerful open-source solvers. Vendor pages call it OpenSolver for Excel / the Open Source Optimization Solver for Excel. This listing is the desktop Excel add-in (OpenSolver.xlam) — not OpenSolver for Google Sheets, and not SolverStudio (a separate free Excel modelling tool). Default Linear build uses the COIN-OR CBC engine for linear and integer programmes, with optional Gurobi if you have a license; an experimental Advanced (non-linear) zip adds extra solvers and NEOS cloud solving and is not listed separately. Compatible with existing Excel Solver models; no artificial limits on variables or constraints beyond machine memory. Includes a model visualizer that highlights decision variables, objective, and constraints on the sheet, a QuickSolve mode for re-solving after right-hand-side changes, and a VBA API (RunOpenSolver). Install: download the Linear zip from SourceForge (Windows or Mac selected automatically from opensolver.org/installing-opensolver), on Windows right-click the zip → Properties → Unblock (required since the July 2016 Office security update), extract so OpenSolver.xlam stays with all files and subfolders, then double-click OpenSolver.xlam and enable macros. Commands appear under Excel's Data tab on Windows or the Menu Bar on Mac. Session-only until you check About OpenSolver → Load OpenSolver when Excel starts, or copy files into the Excel add-ins folder. Current stable Linear release OpenSolver 2.9.3 (1 Mar 2020; Gurobi 9.0 support): OpenSolver2.9.3_LinearWin.zip 4,967,716 bytes last-modified 17 Dec 2020; OpenSolver2.9.3_LinearMac.zip 16,036,940 bytes last-modified 17 Dec 2020. OpenSolver 2.9.4 Beta (15 Jan 2021) is also offered from the SourceForge files page. Windows: vendor says Excel 2007 and later; tested on 32- and 64-bit Windows 7/10 with Excel 2010/2013/2016. Help (updated July 2025) documents current Microsoft 365 desktop (confirmed on Microsoft 365 Apps for Enterprise Version 2507 Build 16.0.19029.20136 64-bit, 12 Aug 2025) if ActiveX/RefEdit is enabled in Trust Center; avoid NOMAD and the About OpenSolver dialog on those 2025 Excel builds or Excel can crash. Not Excel on the web and not Windows Store Excel (Click-to-Run / desktop install required). Mac: Excel for Mac 2011 on OS X newer than 10.7; limited Excel 2016 for Mac (need at least 15.28, then run Solvers/osx/OpenSolver Solvers.pkg). Vendor reports Excel 16.16.7 (late 2018) broke Mac support; a user reported High Sierra + Excel 16.24 worked and Mojave did not. Free and open source under the GPL; no paid license. Publisher asks users to donate to COIN-OR. Winner of the 2011 INFORMS COIN-OR Cup. Satalia SolveEngine is no longer available.
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