Project Management

Migrate your OpenProj data

Web-based open-source PM platform with Gantt charts, Scrum/Kanban boards, and time tracking. Community edition is free; Enterprise adds LDAP sync, 2FA, and custom actions behind a paid tier.

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In its favor

Why people choose OpenProj

The signal that keeps OpenProj on the shortlist. Sourced from G2, Capterra, and customer scoping calls.

Open source licensing with no vendor lock-in satisfies teams that need to self-host while avoiding per-seat SaaS costs for large organizations.

Multiple project methodologies in one platform — Scrum backlogs, Kanban boards, and Gantt scheduling — mean teams do not need separate tools for different workflows.

Generous free Community tier with unlimited projects lets organizations evaluate the platform before committing to a paid Enterprise plan.

Integrated time tracking, cost reporting, and resource management built directly into the platform reduce the need for third-party add-ons.

German government adoption as part of the openDesk suite signals enterprise-grade stability and long-term community backing.

The interface is described as cumbersome and navigation unintuitive, with a mobile experience that lacks the responsiveness teams expect from modern SaaS tools.

Initial setup and configuration is time-consuming; per-project module activation and workflow customization require significant planning overhead.

Search functionality within the platform is weak, making it difficult to locate work packages or documents across large project sets.

Enterprise-only restrictions on custom fields, LDAP group sync, and two-factor authentication push smaller teams toward platforms with fewer feature gates.

Performance degrades with large numbers of work packages and attachments, creating friction for data-heavy migrations and ongoing use.

Reasons to switch

Why people leave OpenProj

The recurring reasons buyers give for replacing OpenProj. Presented as facts, not knocks.

Platform scorecard

Strengths, weaknesses, and where OpenProj fits

Grades across six dimensions, plus a SWOT-style view of where the platform shines and where it falls short.

SWOT — strengths, weaknesses, and use-case fit

Strengths

Full open-source stack under GPLv3 with both self-hosted on-premises and managed cloud deployment options.Supports Scrum, Kanban, classical Waterfall, and hybrid workflows in a single platform without requiring separate tools.Generous free Community tier includes unlimited projects, work packages, time tracking, and wiki pages.Rich permission model with global roles and per-project membership controls for fine-grained access management.REST API (v3) with optimistic locking and custom field endpoints enables programmatic access and integration.

Weaknesses

Custom fields, LDAP sync, 2FA, and advanced reporting are gated behind paid Enterprise tiers, limiting Community edition functionality.No documented public rate limit figures for the API; undocumented limits can cause unexpected 429 errors during bulk migrations.Interface usability and navigation receive consistent negative feedback, particularly around search and mobile responsiveness.Large attachment sets require manual batching due to the 20-file-link-per-request API cap, adding migration complexity.

Where it works

Self-hosted environments requiring data sovereignty, such as government agencies managing sensitive projects behind their own firewalls.Organizations already invested in open-source infrastructure that can absorb the initial setup complexity without dedicated SaaS budgets.Teams needing to run Scrum, Kanban, and classical Waterfall workflows within a single platform without maintaining separate tools.Small-to-medium organizations that want to evaluate the platform extensively using the free Community tier before committing to a paid Enterprise plan.IT services firms and nonprofits that require integrated time tracking, Gantt scheduling, and cost reporting without purchasing additional plugins.

Where it struggles

Organizations with data-heavy workloads, such as those managing thousands of work packages or large attachment sets, where performance degrades and manual batching becomes necessary.Teams that prioritize a modern mobile experience and intuitive navigation, as reviews consistently cite cumbersome interface and poor mobile responsiveness as pain points.Small teams under 25 users who cannot justify Enterprise pricing but need custom fields, 2FA, or advanced reporting gated behind paid tiers.Projects where users need to locate information quickly across large datasets, as search functionality is described as weak and inadequate for large project sets.Organizations relying on programmatic data movement, where undocumented API rate limits and the 20-file-link-per-request cap create migration friction.

Pricing tiers

OpenProj pricing overview

OpenProject uses a per-user, per-month subscription model with annual or multi-year commitment discounts (up to 15 months free on 5-year terms). All paid tiers require a minimum number of users (25 for Basic/Professional, 100 for Premium). Custom fields, LDAP sync, and advanced enterprise features are gated behind paid plans; the free Community edition excludes these entirely. BIM+ is available as a paid add-on across all Enterprise tiers.

Community

Tier 1 of 4

Free

What's included

Unlimited projects and work packagesWork package tracking with Gantt and boardsTime tracking and cost reportingWiki pages, forums, and newsCommunity support via forum and ticketsSelf-hosted or cloud deployment

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Pricing is informational. FlitStack AI does not bill on OpenProj's schedule — see our quote-based pricing →

What gets migrated

OpenProj object support

Object-by-object support for OpenProj migrations. Per-pair details surface during scoping.

Projects

Fully supported

Projects are the top-level container in OpenProject. They hold members, roles, and a configurable set of Modules (work packages, wiki, meetings, documents, costs). Both Community and Enterprise editions support unlimited projects. We preserve project hierarchy, member assignments, and active module configuration during migration.

Work Packages

Fully supported

Work Packages are the core task entity, with a fixed schema of type, status, priority, subject, description, assignee, responsible, start/due dates, estimated hours, and spent time. Each belongs to a single project. We map work packages 1:1 and preserve custom field values where the target schema includes matching fields.

Work Package Types

Fully supported

Types (Task, Feature, Bug, Milestone, Phase, Epic, etc.) are defined globally and assigned per work package. OpenProject allows creating custom types. We migrate the full type list and map each work package's type assignment to the destination equivalent.

Work Package Statuses

Fully supported

Statuses (New, In Progress, Closed, etc.) are defined globally. OpenProject allows custom statuses and full workflow configuration per type. We preserve the status name and, where the destination supports custom statuses, the workflow mapping.

Custom Fields

Mapping required

Custom fields are an Enterprise add-on (Basic tier and above). They support text, integer, float, Boolean, list, date, user, and hierarchy formats. Community editions have no custom fields, so any migration into a Community target will drop custom field data. We flag all custom field values during scoping and map them to the destination custom field schema where supported.

Time Entries

Fully supported

Time tracking is available in Community. Each entry is linked to a work package and stores hours, rate, and cost. We preserve the full time entry history per work package including spent-hours totals that feed into cost reporting.

Attachments

Mapping required

Files are attached to work packages, wiki pages, or projects. OpenProject stores file metadata (filename, mime type, author, created-at) alongside the file content. The API limits file link creation to 20 per request. We batch large attachment sets and preserve file associations to their parent work package.

Users and Memberships

Mapping required

Users have a fixed schema (name, email, login, admin flag, avatar). Memberships assign a user to a project with a specific role. Roles and permissions are global. We map user accounts and preserve the project-role assignments; role names may differ in the destination and require mapping.

Wiki Pages

Fully supported

Wiki pages belong to a project and support Markdown content with attachments. We migrate page content and link attachments to the correct wiki page. Wiki formatting is preserved as raw Markdown.

Documents

Mapping required

Documents are a project-scoped module storing files and descriptions. They are separate from work package attachments. We map document entries and their linked files, noting that some destination PM platforms do not have a native Documents object and will consolidate documents into a project-level attachment set.

Meetings

Fully supported

Meetings belong to a project and hold title, date, duration, location, attendees, and minutes text. We preserve the full meeting record including attendee list and minutes content as Markdown.

Budgets and Cost Entries

Mapping required

Cost tracking is available via the Costs module. Labour costs, unit costs, and budget values are stored per work package. This module is not available on all hosting modes; we flag missing cost data during scoping and do not replicate it to targets without a cost module.

Versions

Fully supported

Versions (or milestones) group work packages and carry a name, description, status, and date. We preserve version assignments so sprints and release milestones retain their work package memberships in the target system.

Gotchas

What to watch for in OpenProj migrations

Issues we've hit on past OpenProj migrations, tagged by severity. FlitStack AI handles every one — surfacing them up front because buyer engineering teams want to know.

High

Custom fields are Enterprise-only and require a paid plan

High

API requires lockVersion for every write operation

Medium

Attachment file links are capped at 20 per API request

Medium

Community edition cannot import data via API in some hosting modes

How a OpenProj migration works

Four steps, OpenProj-specific

Connect

OAuth 2.0 and API token (per-user) into OpenProj. Scopes limited to read-only on the data we move.

Map

We translate OpenProj-specific structures (custom fields, objects, value lists) to the destination's model.

Sample

Test with a 50–200 record subset to validate OpenProj quirks before production.

Migrate

Full migration with OpenProj rate-limit handling. Rollback available throughout.

FAQ

OpenProj migration FAQ

Answers to the questions buyers ask most during OpenProj migration scoping. Not seeing yours? Book a call.

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Most OpenProj migrations under 1M records finish in 48–72 hours end-to-end. Larger orgs with custom objects or buyer-side security review typically take 5–7 days.

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