Best Open Knowledge Maps Alternatives in 2026
The top Open Knowledge Maps alternatives are Buhos, Rayyan and PICO Portal: 15 literature review software our editors would look at instead of Open Knowledge Maps, in our ranking order.
Open Knowledge Maps: A free visual discovery tool for finding and mapping scientific literature. Where it falls short: no screening workflow for systematic literature reviews.
Switching from Open Knowledge Maps? For most literature review software buyers the best Open Knowledge Maps alternative is Buhos, built for free, end-to-end systematic review teams. On a budget, INRA starts at $7.50/seat/mo.
Why People Look for an Open Knowledge Maps Alternative
- No screening workflow for systematic literature reviews
- No collaboration features for shared research projects
- No dedicated evidence-mapping tools
- No screening workflow — 14 of the alternatives below have it
- No systematic review tools — 5 of the alternatives below have it
Quick Picks by What You Need
- Best overallBuhos9.4
Free, end-to-end systematic review teams
Visit Buhos - Lowest priceINRA8.7
Paid plans from $7.50/seat/mo
Visit INRA - Best free optionBuhos9.4
Has a free plan
Visit Buhos - Best for screening workflowBuhos9.4
Screening workflow (Open Knowledge Maps: no)
Visit Buhos
All 15 Open Knowledge Maps Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.
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Best forFree, end-to-end systematic review teams
- Better than Open Knowledge Maps:
- Screening workflow
- Systematic review tools
- Collaboration
A free, end-to-end workspace for individual and collaborative systematic reviews.
- Full-text management
- Systematic review tools
- Collaboration
9.4/10★★★★★Visit Buhos -
Best forMobile-first collaborative review teams
- Better than Open Knowledge Maps:
- Screening workflow
- Editor score 9.3 vs 6.5
A mobile-first review workspace with free screening, AI tools, and structured extraction.
- Screening workflow
9.3/10★★★★★Visit Rayyan -
Best forAI-assisted systematic review teams
- Better than Open Knowledge Maps:
- Screening workflow
- Editor score 9.2 vs 6.5
A broad web-based workspace for AI-assisted screening, extraction, and reporting.
- Screening workflow
9.2/10★★★★★Visit PICO Portal -
Best forTeams wanting a free structured review platform
- Better than Open Knowledge Maps:
- Screening workflow
- Systematic review tools
- Collaboration
A free, structured workspace for collaborative literature reviews.
- Full-text management
- Evidence mapping
- Systematic review tools
9.0/10★★★★☆Visit CADIMA -
Best forResearchers combining discovery and review automation
- Better than Open Knowledge Maps:
- Editor score 8.9 vs 6.5
A research assistant that combines discovery, evidence gathering, and review automation.
8.9/10★★★★☆Visit Elicit -
Best forOpen-source AI-assisted screening
- Better than Open Knowledge Maps:
- Screening workflow
- Systematic review tools
- Collaboration
A capable free screening tool for teams that can manage full-text access separately.
- Systematic review tools
- Collaboration
- Screening workflow
8.8/10★★★★☆Visit ASReview -
Best forAI-assisted reviews with source verification
- Better than Open Knowledge Maps:
- Screening workflow
- Editor score 8.7 vs 6.5
A broad review workflow with citation inspection, screening, extraction, and PRISMA outputs.
- Screening workflow
8.7/10★★★★☆Visit INRA -
Best forAdvanced mixed-methods evidence synthesis
- Better than Open Knowledge Maps:
- Screening workflow
- Editor score 8.6 vs 6.5
A broad evidence-synthesis workspace for advanced mixed-methods reviews.
- Screening workflow
8.6/10★★★★☆Visit EPPI-Reviewer -
Best forDesktop-based comprehensive review workflows
- Better than Open Knowledge Maps:
- Screening workflow
- Systematic review tools
- Collaboration
A comprehensive desktop workflow for searching, screening, managing, and synthesizing literature.
- Full-text management
- Systematic review tools
- Collaboration
8.5/10★★★★☆Visit Synthesis -
Best forFlexible AI labeling and screening workflows
- Better than Open Knowledge Maps:
- Screening workflow
- Editor score 8.4 vs 6.5
A flexible literature review workspace with structured screening and AI labeling.
- Screening workflow
8.4/10★★★★☆Visit Sysrev -
Best forTeams needing active-learning prioritization
- Better than Open Knowledge Maps:
- Screening workflow
- Editor score 8.3 vs 6.5
A collaborative screening workspace that prioritizes references and supports full-text review.
- Screening workflow
8.3/10★★★★☆Visit SWIFT-Active -
Best forDeep evidence synthesis with advanced AI
- Better than Open Knowledge Maps:
- Screening workflow
- Editor score 8.2 vs 6.5
A deep evidence-synthesis workspace with advanced AI and substantial paid-tier costs.
- Screening workflow
8.2/10★★★★☆Try Nested Knowledge -
Best forMature, polished systematic review teams
- Better than Open Knowledge Maps:
- Screening workflow
- Editor score 8.1 vs 6.5
A polished, collaborative review workspace for teams managing evidence from screening to export.
- Screening workflow
8.1/10★★★★☆Visit Covidence -
Best forFree open-source collaborative reviews
- Better than Open Knowledge Maps:
- Screening workflow
- Editor score 8.0 vs 6.5
A free collaborative review workspace with screening, extraction, deduplication, and exports.
- Screening workflow
8.0/10★★★★☆Visit Colandr -
Best forFree AI-assisted abstract screening
- Better than Open Knowledge Maps:
- Screening workflow
- Systematic review tools
- Collaboration
A free, open-source option for collaborative, AI-assisted abstract screening.
- Systematic review tools
- Collaboration
- Screening workflow
7.7/10★★★★☆Visit EviSynth
Open Knowledge Maps Alternatives: Common Questions
What is the best alternative to Open Knowledge Maps?
Buhos: #1 in our Literature Review Software ranking, with an editor score of 9.4 out of 10. A free, end-to-end workspace for individual and collaborative systematic reviews.
Is there a free alternative to Open Knowledge Maps?
Yes. Buhos, Rayyan, PICO Portal, CADIMA and Elicit have a free plan or a free tier (10 of the 15 alternatives on this page).
What is the cheapest paid alternative to Open Knowledge Maps?
Of the alternatives here that publish a price, INRA starts lowest, at $7.50/seat/mo.
Why do people look for Open Knowledge Maps alternatives?
No screening workflow for systematic literature reviews; No collaboration features for shared research projects; No dedicated evidence-mapping tools.
How do I switch from Open Knowledge Maps?
Export your data from Open Knowledge Maps (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Open Knowledge Maps.
How to Switch from Open Knowledge Maps
- Export your data from Open Knowledge Maps (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Open Knowledge Maps.
Open Knowledge Maps vs Each Alternative
| # | Tool | Free plan | Paid from | Discovery tools | Screening workflow | Full-text management | Systematic review tools | Score |
|---|---|---|---|---|---|---|---|---|
| 25 | Open Knowledge Maps | Yes | None | Search | No | Yes | No | 6.5 |
| 1 | Buhos | Yes | None | Search | Yes | Yes | Yes | 9.4 |
| 2 | Rayyan | Yes | $8.33/seat/mo | — | Yes | — | — | 9.3 |
| 3 | PICO Portal | Yes | — | — | Yes | — | — | 9.2 |
| 4 | CADIMA | Yes | None | — | Yes | Yes | Yes | 9.0 |
| 5 | Elicit | Yes | $11/user/mo | — | — | — | — | 8.9 |
| 6 | ASReview | Yes | None | Recommendations | Yes | No | Yes | 8.8 |
| 7 | INRA | Yes | $7.50/seat/mo | — | Yes | — | — | 8.7 |
| 8 | EPPI-Reviewer | No | — | — | Yes | — | — | 8.6 |
| 9 | Synthesis | — | — | Search | Yes | Yes | Yes | 8.5 |
| 10 | Sysrev | Yes | — | — | Yes | — | — | 8.4 |
| 11 | SWIFT-Active Screener | — | — | — | Yes | — | — | 8.3 |
| 12 | Nested Knowledge | No | — | — | Yes | — | — | 8.2 |
| 13 | Covidence | No | — | — | Yes | — | — | 8.1 |
| 14 | Colandr | Yes | None | — | Yes | — | — | 8.0 |
| 15 | EviSynth | Yes | None | — | Yes | — | Yes | 7.7 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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