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Synergy

Software for sharing peripherals between multiple computers.

Score

4.0/5

Last technical review
2026-11-10
Available plansVisit website (opens in a new tab)

Technical Overview

Synergy is a software solution that enables keyboard and mouse sharing across multiple computers on a local network. It acts as a virtual KVM switch, facilitating cross-platform workflows across various operating systems. It is widely used by developers and professionals needing to manipulate multiple desktop environments without physical hardware. It is distributed via a commercial license with open-source roots.

Analyst Evaluation: Pros and Limitations

Verified Advantages

  • Eliminates the need for physical KVM switches.
  • Cross-platform support for Windows, macOS, and Linux.
  • Centralized configuration over TCP/IP networking.

Technical Considerations

  • Initial setup requires stable network connectivity.
  • Modern version requires payment after years of open-source availability.

Technical Capabilities & Features

3/7
Not available:REST & GraphQL API
Not available:SSO / SAML Authentication
Included:Self-Hosted Option
Included:Full Data Export
Included:Role-Based Access Control (RBAC)
Not available:Custom Domains & SSL
Not available:Immutable Audit Logs
Scorecard
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Technical Scorecard: Synergy

69/100
DX & Tech Documentation
Favorable
77/100
Pricing Fairness
Favorable
68/100
Security & Governance
Favorable
64/100
Data Portability & Sovereignty
Improvable
58/100
Performance & Reliability
Favorable
76/100
Pricing & TCO
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Pricing

Contact Sales/mo

Model: PAID.

Get Synergy (opens in a new tab)

Billing Risks & Hidden Clauses: Synergy

Audited Billing Critical Points:
  • Legacy open-source versions exist but lack support for modern OS features.
Total Cost of Ownership (TCO) Projection: SynergyPAID
Deterministic cost estimation at 12 and 36 months based on team size, including SSO tax premiums and annual prepay discounts.
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Indie / Solo (1 active user)

Solo developer or independent technical founder.

Base Monthly Cost
$12/month
1 active user
12-Month Investment
$122/year
Includes ~15% savings via annual billing
3-Year TCO Projection (36m)
$366total
Consolidated software licensing expenditure

Estimated Self-Hosted VPS + DevOps Cost

Break-Even Point: Profitable starting at 3 active users

Calculated infrastructure: VPS 1 vCPU / 2GB RAM (~$5) + 0.5h DevOps/mes ($20)

Annual VPS + DevOps Cost$300/year
Differential vs SaaS LicensingSaaS is $178/year
Startup (10 active users)

Agile engineering team in validation and early traction stage.

Base Monthly Cost
$120/month
10 active users
12-Month Investment
$1,224/year
Includes ~15% savings via annual billing
3-Year TCO Projection (36m)
$3,672total
Consolidated software licensing expenditure

Estimated Self-Hosted VPS + DevOps Cost

Break-Even Point: Profitable starting at 10 active users

Calculated infrastructure: VPS 2 vCPU / 8GB RAM (~$15) + 2h DevOps/mes ($80)

Annual VPS + DevOps Cost$1,140/year
Differential vs SaaS LicensingSavings of $84/year
Growth (25 active users)

Scaling company with team governance and granular access control requirements.

Base Monthly Cost
$300/month
25 active users
12-Month Investment
$3,060/year
Includes ~15% savings via annual billing
3-Year TCO Projection (36m)
$9,180total
Consolidated software licensing expenditure

Estimated Self-Hosted VPS + DevOps Cost

Break-Even Point: Profitable starting at 28 active users

Calculated infrastructure: Cluster VPS 4 vCPU / 16GB RAM (~$45) + 6h DevOps/mes ($240)

Annual VPS + DevOps Cost$3,420/year
Differential vs SaaS LicensingSaaS is $360/year
Scaleup (100 active users)

Established organization with enterprise security policies and mandatory SAML/SSO.

Base Monthly Cost
$1,200/month
100 active users
12-Month Investment
$12,240/year
Includes ~15% savings via annual billing
3-Year TCO Projection (36m)
$36,720total
Consolidated software licensing expenditure

Estimated Self-Hosted VPS + DevOps Cost

Break-Even Point: Profitable starting at 78 active users

Calculated infrastructure: Infraestructura HA redundante + Backups (~$150) + 16h DevOps/mes ($640)

Annual VPS + DevOps Cost$9,480/year
Differential vs SaaS LicensingSavings of $2,760/year
Usage Surcharges & Bill Shock Simulator: SynergyWhat usage costs as you scale
Detect overage penalties before they impact engineering budget.
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Prototype / MVP (10 GB)

Included base quota in plan: 20 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$20/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$20/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Suitable for development; verify concurrent connection limits.

Base Production (50 GB)

Included base quota in plan: 20 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$20/mo
Fixed subscription or contracted tier
Overage Penalty
+$5/month extra
Variable surcharge for consumption above plan quota
Estimated Monthly Invoice
$25/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Implement table compression policies and temporal partitioning.

Active Growth (250 GB)

Included base quota in plan: 20 GB.
High Risk / Accelerated Overages
Base Monthly Rate
$20/mo
Fixed subscription or contracted tier
Overage Penalty
+$41/month extra
Variable surcharge for consumption above plan quota
Estimated Monthly Invoice
$61/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Offload cold backups to standard object storage (S3).

Large Scale (1.000 GB (1 TB))

Included base quota in plan: 20 GB.
Critical Risk / Severe Bill Shock
Base Monthly Rate
$20/mo
Fixed subscription or contracted tier
Overage Penalty
+$176/month extra
Variable surcharge for consumption above plan quota
Estimated Monthly Invoice
$196/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Migrate to dedicated instance or self-hosted cluster to curtail I/O fees.

Procurement Strategy & Discounts: SynergyB2B Negotiation Playbook
Corporate executive level with highest authority to approve budgetary exceptions.
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Fair Market Price & B2B Procurement Benchmark

Non-renewal notice: 30 days before expirationMedian achieved discount: -12%
Public List Price
Custom / Contact
100% baseline
Audited Market Average
-12% median
~88% of list price
Optimized Target Price
-20% target
Max achievable discount (Q4 / multi-year): -20%

Hidden Contract Add-ons & Cost Clauses

  • Recargos por sobreuso de API / llamadas adicionales
  • Costos de asientos de visualizador o invitados no declarados

Verified Tactical Savings Levers

  • Annual Upfront PrepayUp to -20%

    Consolidated discount for upfront annual billing versus monthly rate.

  • Startup Credits ProgramUp to -50%

    Credits and perks for early-stage startups and accelerator programs.

  • Volume Seat TiersUp to -15%

    Tiered volume pricing discounts when exceeding team seat thresholds.

Security & Data Exit
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Compliance & Security Standards: Synergy

SOC 2 Type IINot reported
ISO 27001Not reported
GDPR / RGPDNot reported
HIPAANot reported
PCI-DSSNot reported
Jurisdiction & Legal Sovereignty
🇺🇸United States [US]Subject to US CLOUD ActGDPR DPA Available
SSO Availability (SAML Enterprise)
No SSO Documented
Data Residency
SELF_HOSTEDEUUSAWS
AI Privacy Policy
Not evaluated
Data Liberation & Migration Runbook: SynergyPG_DUMP · JSON · CSV
Actionable escape runbook and credential export guarantees to mitigate vendor lock-in.
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Supported Structured Export Formats
PG_DUMPJSONCSVPARQUET
Password Hash Portability
Exportable Hashes (Bcrypt / Argon2): Zero Forced Retention

Allows extracting password hashes in standard formats to migrate without forcing user resets.

CLI Command / Rescue Endpoint
docker exec -t synergy pg_dump -U postgres > backup.sql
Exit Protocol & Migration Notes

Direct database-level export without proprietary password encryption.

Deployment & Infrastructure Requirements: SynergyDocker
Hardware specs and Docker directives to run on local servers, dedicated VPS, or Kubernetes without telemetry leak to the cloud.
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Minimum Memory1 GB RAM (Recommended)
Compute CPU1 vCPU
Runtime / LanguageTypeScript / Go / Rust
Code LicenseOpen Source
Docker CLI Directive
docker run -d --name synergy -p 8080:8080 synergy:latest
Companion Services & Dependencies:
PostgreSQL 15+Redis 7+
Community & Repository
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Technical Reputation of Synergy

76/100 Technical Trust

Frequent Praises in Production

  • Eliminates the need for physical KVM switches.
  • Cross-platform support for Windows, macOS, and Linux.
  • Centralized configuration over TCP/IP networking.

Reported Production Frictions

  • Initial setup requires stable network connectivity.
  • Modern version requires payment after years of open-source availability.
Commercial Treatment & Vendor Lock-in:Self-Service in Dashboard

Cancellation flow is autonomous via billing portal or subscription settings.

Frequently Asked Technical Questions (Synergy)

How does Synergy work?

Synergy uses a client-server architecture where one machine acts as the server (connected to the keyboard/mouse) and others as clients, transmitting input events over the network.

Is it compatible with different operating systems?

Yes, the software allows control of devices running Windows, Linux and macOS simultaneously, allowing cursor movement between different system monitors.

Does it require an internet connection?

No, the software operates over the local area network (LAN) using TCP/IP protocols, requiring no external internet access to manage peripheral control.

Direct Alternatives

All tools in Synergy
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