Project Management migration
Field-level mapping, validation, and rollback between Huly and Trello. We move data and schema; workflows are rebuilt natively in Trello.
Huly
Source
Trello
Destination
Compatibility
9 of 12
objects map 1:1 between Huly and Trello.
Complexity
BStandard
Timeline
1-3 weeks
Overview
Moving from Huly to Trello is a schema-down migration. Huly organizes work as workspaces containing spaces, which contain issues, pull requests, documents, and chat messages in a unified all-in-one structure. Trello uses a flat kanban model with workspaces containing boards, lists, and cards. We transform Huly's nested hierarchy into Trello's board-list-card model, collapsing spaces into boards, Huly issues into cards on a default list, and mapping milestone deadlines to card due dates. Huly's unlimited-object model means storage consumption is the real scoping variable: every uploaded file counts against the destination plan's attachment limit while Huly objects themselves do not. We enumerate all custom task types during discovery, map each type's state set independently, and flag GitHub-synced pull request records as a separate card type with merge-state metadata preserved. Automations, Butler rules, and Power-Up configurations do not migrate; we deliver a written inventory for the customer's admin to rebuild.
Every standard and custom field arrives verified.
AI proposes the map; you confirm before any record moves.
Parent–child, lookups, and ownership stay linked.
Calls, emails, meetings — with original timestamps.
Documents, uploads, and inline notes move with the record.
Why teams make this switch
Leaving
What's pushing teams away
Choosing
What's pulling them in
Object mapping
Each row shows how a Huly object lands in Trello, including any object-level transformations, lookup resolution, or schema-design dependencies.
Typical mapping — final map is confirmed during the sample migration step.
Huly
Workspace
Trello
Workspace (or Organization)
1:1Huly workspaces map to Trello workspaces or organizations depending on the destination plan. Trello Free and Standard support workspace-level organization; Enterprise adds organization-level controls with advanced permission settings. We map the Huly workspace name to the Trello workspace name and preserve workspace-level member roles as Trello workspace admin or normal member roles.
Huly
Space
Trello
Board
1:1Huly spaces are the equivalent of boards in Trello. Each space type (Classic project, Tracker, etc.) maps to a Trello board. Space configuration settings, including visibility and member access, become Trello board visibility (public/private) and permission settings. If the Huly space has multiple lists of its own, we evaluate whether to create multiple boards or a single board with custom lists during scoping.
Huly
Issue
Trello
Card
1:1Huly issues map to Trello cards. The issue title becomes the card name, the issue description migrates as the card description (markdown preserved where possible), assignee maps to the Trello card member, priority maps to a card label with color coding, and the process state (Backlog, Todo, In Progress, Done) maps to a Trello list. We use Huly's process state to select the target list during migration.
Huly
Custom Task Type
Trello
Card (label + custom field on Premium)
lossyHuly allows multiple custom task types beyond the default Issue type, each with its own set of process states. We enumerate all task types during discovery and build a per-type mapping table. Each custom task type becomes a labeled card (Trello Free/Standard) or a card with a custom field set to the task type name (Trello Premium). The process states within each task type are mapped to distinct Trello list names if they differ from the default set, or to label color variations within a single list.
Huly
Pull Request (GitHub-synced)
Trello
Card (label + link)
1:manyHuly's GitHub-synced Pull Request task type has properties not present on standard issues (PR number, merge state, branch name, review status). We migrate PR task data as a Trello card with a GitHub Power-Up link to the original PR. Merge state (Open, Merged, Closed) is stored as a card label. The actual GitHub commit graph and branch history do not migrate; the Trello card carries the PR metadata and a link back to GitHub as the source of truth.
Huly
Wiki Page (Document)
Trello
Card Description or External Link
lossyHuly wiki pages are rich-text collaborative documents with embedded links and images. Trello cards contain a markdown-friendly description field but do not have native document management. We migrate wiki page content as card descriptions for standalone documents, with a link-back note indicating the original Huly page URL. Teams using wiki pages heavily should plan a Confluence workspace alongside Trello as the document destination; we flag this during scoping.
Huly
Milestone
Trello
Card Due Date + Label
1:1Huly milestones group issues toward a common goal or deadline. We migrate milestone metadata (name, target date) and attach the deadline to every migrated card that belongs to that milestone as a Trello due date. The milestone name becomes a Trello label on all member cards. Milestones without a date become labels only.
Huly
Label / Tag
Trello
Label
1:1Huly labels with color metadata migrate directly to Trello labels on the corresponding cards. Label names and colors are preserved. Trello supports up to 50 labels per board, which is sufficient for most Huly workspaces; we flag boards approaching this limit during scoping.
Huly
Attachment
Trello
Card Attachment
1:1Files attached to Huly issues, wiki pages, or chat messages migrate as Trello card attachments. Huly bills attachments against storage (10GB free, 100GB Rare, 1TB Epic) while Huly objects themselves are unlimited. We inventory all attachment-heavy spaces before migration and flag the total attachment size against the destination Trello plan's storage limits. Trello Free caps attachments at 10MB per file; Standard and Premium raise this limit significantly.
Huly
User / Member
Trello
Workspace Member
1:1Huly workspace members with their roles (owner, member) migrate to Trello workspace members. Email addresses and display names map to Trello user records. Active vs. archived status is preserved; archived Huly members are invited as inactive or deprovisioned depending on the customer's preference. If a Huly user has no matching Trello account, they are added to a reconciliation queue for the customer to provision before migration.
Huly
Chat Message (Inbox)
Trello
Card Comment
1:1Huly inbox chat messages and threaded discussions that are contextually linked to a specific issue can migrate as Trello card comments with the sender name and timestamp. This mapping applies only where the conversation context is clearly tied to a task. General workspace chat without a specific task reference does not have a direct Trello equivalent and is flagged during discovery for the customer's awareness.
Huly
Action Item
Trello
Checklist Item
1:1Huly action items capture tasks within conversations with assignees and completion status. We extract action item text, assignee, and completion state and map them to Trello checklist items on the corresponding card. Action items that are not linked to a specific task are flagged for the customer to assign to a card manually post-migration.
| Huly | Trello | Compatibility | |
|---|---|---|---|
| Workspace | Workspace (or Organization)1:1 | Fully supported | |
| Space | Board1:1 | Fully supported | |
| Issue | Card1:1 | Fully supported | |
| Custom Task Type | Card (label + custom field on Premium)lossy | Fully supported | |
| Pull Request (GitHub-synced) | Card (label + link)1:many | Fully supported | |
| Wiki Page (Document) | Card Description or External Linklossy | Fully supported | |
| Milestone | Card Due Date + Label1:1 | Fully supported | |
| Label / Tag | Label1:1 | Fully supported | |
| Attachment | Card Attachment1:1 | Fully supported | |
| User / Member | Workspace Member1:1 | Fully supported | |
| Chat Message (Inbox) | Card Comment1:1 | Fully supported | |
| Action Item | Checklist Item1:1 | Fully supported |
Gotchas + challenges
Platform-specific issues from each side, plus the pair-specific challenges that don't show up on either platform's page on its own.
Huly gotchas
Projects invisible after failed migration attempts
Storage vs. object count billing distinction
Task type inheritance creates schema complexity
No native accounts object for CRM-style records
GitHub PR sync creates duplicate task types
Trello gotchas
Billing model uses maximum seat quantity at term midpoint
Custom Field data historically stored in pluginData
API rate limits are token-gated and can block bulk migration
Guest-to-paid seat conversion triggers on multi-board membership
Automation command runs are capped per plan and overage triggers upgrade pressure
Pair-specific challenges
Migration approach
Discovery and data extraction scoping
We audit the Huly workspace across all spaces, identifying every distinct task type and its process state set, total issue count per space, wiki page count and size, attachment volume (flagged separately from object count), milestone list, and member roster. We extract data via Huly's export API or direct database read for self-hosted instances, and we verify workspace UUID integrity against a clean backup. The discovery output is a written scope document with per-space record counts, attachment storage total, and a task type inventory table.
Workspace mapping and board design
We design the Trello destination structure: one Trello board per Huly space (or aggregated by the customer's preference), lists mapped from Huly process states, labels mapped from Huly labels and custom task types, and milestones mapped to due dates and label names. We handle GitHub-synced PR task types as a separate labeled card type with a GitHub Power-Up link. If the destination is Trello Premium, we pre-create custom fields for task type, original Huly ID, and milestone reference before migration.
Attachment inventory and storage plan
We inventory all attachments across Huly spaces and compute total attachment size. Huly bills attachments against storage (not object count), so a workspace with 50,000 issues but 200MB of attachments may cost little in Huly storage but require a Trello plan with sufficient attachment capacity. We map attachment-heavy spaces to Trello Premium boards (higher attachment limits) and flag any space exceeding the Free plan's 10MB per-file cap so the customer can upgrade before migration.
Sandbox migration and reconciliation
We run a full migration into a Trello workspace sandbox using production-like data volume. The customer's project lead reconciles record counts per board, spot-checks 20-30 random cards against the Huly source (title, description, assignee, due date, labels), and verifies that custom task type labels and milestone labels appear correctly. Mapping corrections happen in this phase, not in production.
Production migration in dependency order
We run production migration in order: workspace members provisioned first (if not already in Trello), boards created per space, lists created per process state, cards migrated with title, description, member assignment, due date, labels, and checklist items. Attachments are re-uploaded via Trello's API and attached to the corresponding cards. Wiki page content migrates as card descriptions with a link-back note. Chat messages contextually linked to issues migrate as card comments.
Cutover, validation, and automation handoff
We freeze Huly writes during cutover, run a delta migration of any records modified during the migration window, then enable Trello as the system of record. We deliver the Butler automation inventory and Power-Up recommendation list to the customer's admin team. We support a five-business-day hypercare window for reconciliation issues. We do not configure Butler rules or install Power-Ups inside the migration scope; that is a separate engagement or an internal admin task.
Platform deep dives
Huly
Source
Strengths
Weaknesses
Trello
Destination
Strengths
Weaknesses
Complexity grading
Standard Project Management migration. 2 of 8 objects need a mapping; the rest are 1:1.
Overall complexity
Standard migration
Derived from compatibility, mapping clarity, API constraints, and data volume across Huly and Trello.
Object compatibility
2 of 8 objects need a mapping; the rest are 1:1.
Field mapping clarity
Field mapping is derived from defaults — final spec confirmed during the sample migration.
Timeline complexity
8-object category — typical timelines run 2–7 days end-to-end.
API constraints
Huly: Not publicly documented.
Data volume sensitivity
Huly doesn't expose a bulk API — REST + parallelization used for high-volume runs.
Estimator
Rule-based pricing — no per-record fees, no manual quotes. Migrations over 2M records are scoped individually.
Step 1
Pick a category, then your source and destination platforms.
Category
FAQ
Answers to the questions buyers ask most during Huly to Trello migration scoping. Not seeing yours? Book a call.
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