For decades, the electronic design automation (EDA) landscape was dominated by expensive commercial tools — Altium Designer, OrCAD, PADS — putting professional-grade PCB design out of reach for startups, hobbyists, and small engineering teams. KiCad has spent years chipping away at that barrier, and with the release of KiCad 8.0 in early 2024, the open-source EDA suite made its most compelling case yet as a legitimate professional tool.
After spending several weeks designing a four-layer mixed-signal board in KiCad 8 — complete with DDR3 routing, USB-C, and an STM32 MCU — here's an honest, hands-on assessment of where KiCad 8 shines, where it still falls short, and whether it's ready for your professional workflow.
What's New in KiCad 8
KiCad 8 isn't a radical redesign — it's an evolutionary upgrade that refines the foundation laid by KiCad 7. But the cumulative effect of dozens of targeted improvements is a noticeably more polished and capable tool.
Improved Schematic Editor
The schematic editor (eeschema) received significant attention in this release. The most immediately noticeable change is the redesigned symbol editor, which now supports batch operations for pin editing — a huge time-saver when creating complex custom symbols. Power symbol handling has been streamlined, and the new wire Junction dot styling options give schematics a cleaner, more professional appearance [1].
A subtle but impactful addition is the ability to drag-select and move entire blocks of schematic while maintaining wire connectivity. Anyone who has spent time reorganizing a cramped schematic page will appreciate this. The grid snapping system has also been overhauled, reducing the frustrating "off-grid" connection issues that plagued earlier versions.
Enhanced Push-and-Shove Routing
The PCB editor's Push-and-Shove router — already one of KiCad's strengths — gets a meaningful upgrade in version 8. The algorithm now handles complex multi-trace scenarios more gracefully, with fewer instances of traces jumping to unexpected layers or refusing to route in tight spaces. Dragging existing traces now respects design rules more reliably, and the shove algorithm does a better job maintaining clearances to copper pours [2].
For BGA breakouts at 0.4mm pitch, the router held up well — I was able to fan out a 144-pin BGA with minimal manual intervention. The interactive tuner for serpentine length matching also received attention, with a cleaner interface and more accurate length reporting. One remaining pain point: the differential pair router still struggles with asymmetric constraints and sometimes routes pairs on different layers when memory isn't carefully configured.
3D Viewer Upgrades
KiCad's 3D viewer has been steadily improving, and version 8 takes another step forward. The rendering engine now supports more realistic materials and lighting, making it easier to visualize the final assembled board. More practically, the 3D viewer now integrates with the design rule checker, highlighting unconnected nets and clearance violations directly in 3D — a feature that was previously only available in the 2D layout view [3].
Step file export has also been improved, with better handling of complex board outlines and plated through-holes. For teams that need to share 3D models with mechanical engineers, this closes a meaningful gap with commercial tools. The new ray-tracing option produces presentation-quality renders suitable for marketing materials or design reviews — a small touch, but one that adds professional polish.
Collada (.dae) export remains available for teams using older mechanical CAD tools, and the 3D model library has been expanded with better step models for common connector and IC packages. Loading large 3D assemblies is noticeably faster than in KiCad 7, though extremely dense boards with hundreds of 3D components can still cause lag on lower-end hardware.
IPC-2581 Export
Perhaps the most professionally significant new feature is the full IPC-2581 export capability. IPC-2581 is the industry standard for transmitting board design data to manufacturers, and until now, KiCad users had to rely on Gerber files plus separate drill, pick-and-place, and netlist files — a process that's error-prone and cumbersome.
With native IPC-2581 support, KiCad 8 can generate a single file that contains everything your fabricator needs: copper layers, solder mask, silkscreen, drill data, component placement, and netlist information. This puts KiCad on par with commercial tools that have offered IPC-2581 export for years [4].
Where KiCad 8 Excels
Zero Cost, Zero Strings
The most obvious advantage is price. KiCad is completely free — no licensing fees, no node-locked licenses, no annual maintenance contracts. For a startup with five engineers, the savings versus Altium Designer (roughly $3,000–$7,000 per seat plus annual maintenance) are substantial. For hobbyists and educators, KiCad removes the financial barrier entirely.
Open Source and Cross-Platform
KiCad's GPL-licensed open-source model means the tool will never be acquired and killed, nor will licensing terms change unexpectedly. The codebase is actively developed by a global community, with the KiCad Services Corporation and major sponsors like CERN, Digi-Key, and System76 providing financial support.
Cross-platform support is excellent — KiCad runs natively on Windows, Linux, and macOS, with identical file formats across platforms. Files created on a Windows machine open seamlessly on Linux, which is a critical requirement for mixed-environment teams.
Community-Driven Libraries
The official KiCad library has grown tremendously, now containing thousands of symbols, footprints, and 3D models. The community-driven approach means new components are added rapidly — often faster than commercial vendors update their libraries. The library follows strict conventions and includes extensive metadata, making it reliable for production use [5].
However, library quality can vary, and it's still common to encounter minor footprint discrepancies. Best practice is to always verify footprints against manufacturer datasheets, especially for critical components.
Where KiCad 8 Falls Short
No Native Version Control Collaboration
This is KiCad's biggest weakness for professional team use. While KiCad stores files in a flat text-based format that's technically compatible with Git, there's no built-in version control system like Altium 365's cloud collaboration or Cadence's design management. Teams using KiCad must cobble together their own Git workflows, and merging conflicting changes to schematic or layout files is a manual, error-prone process.
For solo engineers or small teams where one person owns the design at a time, this isn't a major issue. But for larger teams working in parallel, the lack of native collaboration tools is a real productivity bottleneck. Third-party solutions like kibot and KiDiff help bridge the gap, but they require significant setup expertise and don't offer the real-time co-design features that Altium 365 or Cadence Allegro provide.
Additionally, there's no concept of a centralized component database or vault. Each engineer maintains their own local libraries, which inevitably leads to inconsistencies. The upcoming KiCad 9 roadmap mentions a cloud library feature, but for now, teams must rely on shared network drives or Git-based library repos.
No Integrated Circuit Simulation
KiCad 8 includes the ngspice engine for SPICE simulation, but the integration is rudimentary compared to commercial offerings. Setting up simulations requires manual configuration of simulation commands, and there's no visual waveform viewer comparable to what Altium or OrCAD provides. For analog design verification, you'll likely need a separate tool.
High-Speed PCB Limitations
While KiCad 8 has made strides in high-speed design support — including impedance calculation, length matching, and differential pair routing — it still lacks some advanced features that high-speed design teams rely on:
- No built-in signal integrity analysis or eye-diagram simulation
- Limited support for HDI (High-Density Interconnect) structures like blind/buried vias in the DRC
- No integrated field solver for precise impedance modeling
- Return path analysis is manual rather than automated
For sub-10 Gbps designs, KiCad 8 is generally sufficient. But for cutting-edge high-speed boards (PCIe Gen 4/5, 56G PAM4), you'll need a commercial tool.
Migrating from Altium Designer
One of the most common questions about KiCad is: "Can I switch from Altium?" The answer is a qualified yes.
KiCad 8 can import Altium schematic and PCB files through its built-in importers. The schematic importer handles most components and wiring correctly, though complex hierarchical designs may require manual cleanup. The PCB importer does a respectable job with layout, copper traces, and basic design rules, but more advanced Altium features (query-based rules, parametric constraints) don't translate.
The biggest adjustment for Altium users is the workflow philosophy. Altium integrates everything — schematic, layout, simulation, library management, version control — in one environment. KiCad takes a more modular approach, with separate tools for schematic editing, layout, symbol/footprint editing, and 3D viewing. This is initially disorienting but ultimately offers flexibility.
Key migration tips:
- Start with a small project to learn the workflow differences
- Invest time upfront in setting up your library structure
- Use the official Altium import guide on the KiCad wiki
- Accept that some manual cleanup will be necessary
Who Should Use KiCad 8?
KiCad 8 is an excellent choice for:
- Startups and small companies where licensing costs matter
- Hobbyists and makers who need professional-quality output
- Educators and students teaching or learning PCB design
- Open-source hardware projects that need an open toolchain
- Small to medium complexity designs — 2-6 layers, standard component packages, moderate density
It's less ideal for:
- Large engineering teams that need parallel design collaboration
- High-speed digital designs above 10 Gbps requiring signal integrity analysis
- Mixed-signal designs requiring integrated SPICE simulation
- Enterprise environments with established Altium/Cadence workflows and tool integrations
The Verdict
KiCad 8 is the most professional-capable version yet. For a free, open-source tool, it delivers an impressive range of features that cover the needs of the majority of PCB design projects. The improvements to routing, 3D visualization, and manufacturing output (especially IPC-2581) bring it meaningfully closer to commercial EDA tools.
Is it ready for professional use? For small to medium projects and teams, absolutely. For enterprise-scale, high-speed, or heavily collaborative environments, not yet — but the gap is narrowing with each release. If you're paying thousands per seat for commercial EDA software and not using its advanced features, KiCad 8 deserves a serious evaluation.
FAQ
Is KiCad 8 really free for commercial use?
Yes. KiCad is licensed under GPL v3+, which allows free use for both personal and commercial projects with no restrictions on the number of users or designs. There are no hidden costs, subscription fees, or "enterprise" tiers. Your only investment is the time to learn the tool.
Can KiCad 8 handle multi-layer PCB designs?
Absolutely. KiCad 8 supports up to 32 copper layers, which covers virtually all practical PCB designs. The tool handles layer stackup definition, impedance control basics, and dedicated plane layers. For most 2-8 layer designs, KiCad provides all the functionality you need.
How does KiCad's library compare to Altium's?
KiCad's community library is extensive and growing rapidly, with thousands of verified symbols and footprints. However, it lacks the curated, manufacturer-verified parts database that Altium offers through the Altium Vault/Octopart integration. For critical components, always verify footprints against datasheets regardless of which tool you use.
Does KiCad 8 support blind and buried vias?
Yes, KiCad 8 supports blind, buried, and microvias in the layer stackup configuration. However, the DRC handling of these via types is less sophisticated than in commercial tools, and some advanced HDI features (like stacked microvias with specific aspect ratio checks) require manual verification.
Can I import my existing Altium projects into KiCad?
KiCad 8 includes importers for Altium Designer schematic (.SchDoc) and PCB (.PcbDoc) files. The importers handle basic elements well — components, wiring, traces, footprints — but complex design rules, parametric constraints, and some advanced features may not translate. Expect to spend time on manual cleanup after import.
What's the learning curve like for someone new to EDA tools?
KiCad has a moderate learning curve. The modular tool structure (separate schematic editor, layout editor, etc.) can feel unfamiliar at first, but the core concepts are standard EDA fare. The official KiCad tutorial series and the extensive community documentation make onboarding manageable. Most users reach basic proficiency within 1-2 weeks of regular use.
References
[1] KiCad 8.0 Release Notes. KiCad EDA. https://www.kicad.org/kicad-8.0-release-notes/
[2] KiCad PCB Editor Documentation — Push and Shove Router. KiCad Documentation. https://docs.kicad.org/8.0/en/pcbnew/pcbnew.html
[3] KiCad 3D Viewer Documentation. KiCad Documentation. https://docs.kicad.org/8.0/en/pcbnew/pcbnew_3d_viewer.html
[4] IPC-2581 Standard. IPC — Association Connecting Electronics Industries. https://www.ipc.org/IPC-2581
[5] KiCad Library Convention (KLC). KiCad Libraries. https://klc.kicad.org/
This review is based on hands-on experience with KiCad 8.0.5 running on Ubuntu 24.04 LTS. All opinions are independent and unsponsored.