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Nexum

Nexum is a fast, native macOS PostgreSQL client built for developers who want simplicity without sacrificing power. Connect to any PostgreSQL database, browse schemas and tables in the sidebar, and run SQL queries in a clean, distraction-free editor. Results appear instantly in…

App icon

Nexum app icon

Direct link: https://obelisk.club/apps/postgresqlclient/icon.png

Theme color: #3B6E6A

Boilerplate description

Use any portion freely. For coverage assistance, email below.

Nexum is a fast, native macOS PostgreSQL client built for developers who want simplicity without sacrificing power. Connect to any PostgreSQL database, browse schemas and tables in the sidebar, and run SQL queries in a clean, distraction-free editor. Results appear instantly in a high-performance table with JSON drill-down, NULL highlighting, and one-click CSV export. NEXUM PRO — One-time purchase. No subscription. • Unlimited saved connections • Inline row editing — double-click any cell to edit in place • EXPLAIN ANALYZE with visual cost heatmap • Full query history with search • CSV export for any result set STANDARD • 1 saved connection • Full SQL editor and query runner • Results table with JSON popover • Schema and table browser Nexum is built entirely with SwiftUI and PostgresNIO — no Electron, no web views, no subscription required.

Key features

  • Native macOS SwiftUI app — zero Electron or web views

  • One-time $19.99 purchase unlocks Pro forever

  • High-performance NSTableView results for large datasets

  • JSON / JSONB drill-down in an expandable tree popover

  • EXPLAIN ANALYZE with per-node cost heatmap

  • Secure password storage in the system Keychain

  • SSL/TLS connections with certificate flexibility

  • Full query history with timestamp, row count, and duration

Download links

Founder quote

“Nexumis built around one principle: your data stays on your device. We don't want it, we don't store it, and we don't need it to make the app work. Everything that can run locally, does.”
— Peter Zhang, solo developer, Obelisk Club

About Obelisk Club

Obelisk Club is a portfolio of focused, local-first Mac and iOS productivity apps built by a solo developer. The portfolio includes 13 apps spanning note-taking, screenshots, photo workflow, beverage tracking, file compression, and more — all sharing a single principle: software that works without an account, without a cloud, and without a subscription.

Press contact

obeliskclubclub@gmail.com

https://obelisk.club

Happy to share a complimentary Pro promo code, schedule a Q&A, or provide additional materials. Typical response within 24 hours.

Quick facts

App name
Nexum
Maker
Peter Zhang · Obelisk Club
Theme color
#3B6E6A
Contact
obeliskclubclub@gmail.com