LiquidPlanner

LiquidPlanner is a privately held software company and project management brand founded in Seattle in 2006 by Charles Seybold and Jason Carlson. Its principal product is a web-based project and work-management platform designed for teams whose plans are affected by changing priorities, uncertain task durations, resource constraints, and dependencies. Rather than requiring every activity to be represented by a single fixed estimate, LiquidPlanner allows users to provide ranges, such as three to five days, and uses those ranges with task relationships and assigned resources to produce forecasted completion windows. The company emerged during the development of online collaboration and software-as-a-service tools for business teams. Its first public beta was launched at the DEMO 08 conference in 2008. The product’s central distinction was its attempt to model uncertainty directly in the schedule instead of treating project dates as fixed commitments. Its probabilistic scheduling engine combines estimates and dependencies to generate a project-level forecast, while allowing the plan to be recalculated as work progresses, priorities change, or estimates are revised. LiquidPlanner’s workspace model supports multiple projects and users in a shared online environment. Teams can organize work into tasks and projects, assign responsibility, record comments and documents, track time, and use the platform’s application programming interface to automate project-management actions. The service was designed for browser access and was also made available through mobile applications, including an iPhone and iPad application introduced in 2011. An Android application has also been associated with the platform. The historical product architecture was built with Ruby on Rails. The brand’s positioning centers on predictive planning rather than simple task lists or static Gantt-chart scheduling. Its range-based estimates are intended to expose uncertainty and make it possible to observe how forecasts evolve over time. The resulting history is related to the project-management concept known as a cone of uncertainty: early forecasts may cover a broad range, while additional information and completed work can narrow the expected outcome. This approach is particularly relevant to engineering, technology, product-development, and other environments in which work duration cannot be predicted precisely at the outset. LiquidPlanner has remained a private company. It became the first recipient of capital from Seattle’s Alliance of Angels seed fund in June 2009, and the company later received $2 million in funding from investors in 2018. In November 2017, Todd Humphrey became chief executive officer, succeeding Liz Pearce. The product continued to be covered as a project-management solution, including recognition by Business News Daily in 2020 for its usefulness in analyzing company-wide data. LiquidPlanner’s historical importance within its category lies in making uncertainty and forecast ranges a visible part of project scheduling rather than an exception handled outside the planning system.

LiquidPlanner was established in Seattle, Washington, in 2006 by Charles Seybold and Jason Carlson. The founders developed the company around a project-management problem that conventional planning tools often handled poorly: early project estimates are frequently uncertain, while schedules are commonly represented as if each duration were exact. LiquidPlanner’s answer was to let users express estimates as ranges and to use those ranges in a broader scheduling calculation. The company’s first public beta appeared in 2008 at the DEMO 08 conference. This release introduced the basic concept behind the brand: a cloud-based project-management environment in which work could be prioritized, assigned, connected through dependencies, and forecast using a probabilistic scheduling engine. The platform was developed as an online, platform-independent service, with Ruby on Rails identified as part of its technical foundation. LiquidPlanner’s scheduling model treats a range such as three to five days as information about uncertainty rather than as an imprecise version of a single date. The system can infer a probability distribution from the range, combine it with relationships among tasks and available resources, and calculate a forecast for larger bodies of work. As projects develop, actual progress and revised estimates can change the forecast. This makes the platform useful for organizations managing engineering, software, product, and other knowledge-work projects in which the order and duration of tasks can shift. The product expanded beyond scheduling into collaborative work management. A workspace could contain multiple projects, users could be invited to participate, and teams could maintain tasks, comments, documents, and related project information in one shared environment. The company also provided an API that allowed actions such as creating tasks, adding comments, recording time, and marking work complete to be automated. Mobile access was added through a free iPhone and iPad application in September 2011; historical reference material also associates the platform with Android access. The Apple application was reported as no longer available in the Apple App Store by 2024. LiquidPlanner was privately held and received early backing from Seattle’s Alliance of Angels. In June 2009, it became the first recipient of capital from the organization’s seed fund. The company later reported $2 million in investor funding in 2018. Leadership changed in November 2017, when Todd Humphrey became chief executive officer in succession to Liz Pearce. Over time, LiquidPlanner’s identity remained tied to predictive scheduling and the explicit treatment of uncertainty. The product’s reporting and forecasting model can show how estimated outcomes change throughout a project, an idea associated with tracking a project’s cone of uncertainty. This differentiated LiquidPlanner from simpler task-list products and from planning systems that depend primarily on fixed point estimates. In 2020, Business News Daily identified it as a leading online project-management product for analyzing overall company data. The available reference material does not establish a subsequent acquisition, public listing, parent company, or definitive corporate exit, so LiquidPlanner is recorded here as a privately held active brand with ownership details not otherwise specified.

• 2020

  Business News Daily recognition

  [3]Business News Dailybusinessnewsdaily.com

  Business News Daily selected LiquidPlanner as its best online project-management software for analyzing overall company data in 2020.

• 2018

  Additional investor funding

  [1]LiquidPlanneren.wikipedia.org

  LiquidPlanner received $2 million in funding from investors.

• 2017

  Chief executive transition

  [1]LiquidPlanneren.wikipedia.org

  Todd Humphrey became chief executive officer, replacing Liz Pearce.

• 2011

  Apple mobile application introduced

  [1]LiquidPlanneren.wikipedia.org

  The company introduced a free application connecting iPhone and iPad users with LiquidPlanner workspaces.

• 2009

  Alliance of Angels seed financing

  [1]LiquidPlanneren.wikipedia.org

  LiquidPlanner became the first recipient of capital from Seattle’s Alliance of Angels seed fund.

• 2008

  First public beta released

  [1]LiquidPlanneren.wikipedia.org

  LiquidPlanner launched its first public beta at the DEMO 08 conference.

• 2006

  Company founded in Seattle

  [1]LiquidPlanneren.wikipedia.org

  Charles Seybold and Jason Carlson founded LiquidPlanner in Seattle, Washington, to develop online project-management software focused on predictive scheduling.

A predictive, priority-based project-management platform for teams that need to plan around uncertainty, changing priorities, dependencies, and resource constraints.

• Project management software · 2008

  LiquidPlanner project management platform

  The core online workspace supports projects, tasks, users, comments, documents, dependencies, priorities, and time tracking. Its defining feature is the ability to plan with ranges instead of only single-point task estimates, enabling forecasts to be recalculated as priorities, resources, and progress change.

• Scheduling and forecasting · 2008

  Predictive scheduling engine

  LiquidPlanner’s scheduling engine uses task-duration ranges, task relationships, and resource information to calculate probabilistic project forecasts. The model is intended to make uncertainty visible and to show how expected delivery outcomes evolve during execution.

• Mobile project management · 2011

  LiquidPlanner mobile applications

  The platform historically provided mobile access, including a free iPhone and iPad application introduced in 2011. Reference material also describes Android access. The historical Apple application was reported as unavailable in the Apple App Store by 2024, so the status of individual mobile clients should be verified separately.

• Application programming interface

  LiquidPlanner API

  The API enables programmatic interaction with a LiquidPlanner workspace. Documented examples include creating tasks, posting comments, tracking time, and marking work complete, allowing organizations to automate recurring project-management operations.

• 2011

  Expansion into mobile accessProduct launch

  Background

  Users increasingly needed to view and update project work away from desktop browsers.

  Action taken

  LiquidPlanner introduced a free application for iPhone and iPad that connected to online workspaces.

  Aftermath

  The platform extended its collaborative workflow to Apple mobile devices, although the historical Apple application was later reported as unavailable in the App Store.

  Source

• 2008

  Launch of the public betaProduct launch

  Background

  The company needed to introduce its online project-management concept and predictive scheduling approach to users and the business-software market.

  Action taken

  LiquidPlanner presented and released its first public beta at the DEMO 08 conference.

  Aftermath

  The release established the product’s public presence and provided the foundation for later collaborative, mobile, and API capabilities.

  Source

1. 1LiquidPlanneren.wikipedia.org
2. 2LiquidPlanner official websiteliquidplanner.com
3. 3Business News Dailybusinessnewsdaily.com