Balloon Utility

Issues

The Balloon Utility is a Java application that keeps track of balloons earned by contest teams for successful submissions. It can connect to any Contest API compatible server (e.g. the CDS or a CCS), print notifications to assist runners in delivering balloons, and track deliveries.

Download

Download release v2.6.1331 7 Nov 2025 · README

Download pre-release v2.7.1462 13 Nov 2026 · README

All builds

Version	Date	Downloads
v2.7.1462 Pre-release	13 Nov 2026	balloonUtil-2.7.1462.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1461 Pre-release	13 Nov 2026	balloonUtil-2.7.1461.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1460 Pre-release	13 Nov 2026	balloonUtil-2.7.1460.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1458 Pre-release	12 Nov 2026	balloonUtil-2.7.1458.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1457 Pre-release	10 Nov 2026	balloonUtil-2.7.1457.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1456 Pre-release	10 Nov 2026	balloonUtil-2.7.1456.zip 32.57 MB, sha256, sha512	README · GitHub release
v2.7.1455 Pre-release	10 Nov 2026	balloonUtil-2.7.1455.zip 32.57 MB, sha256, sha512	README · GitHub release
v2.7.1454 Pre-release	9 Nov 2026	balloonUtil-2.7.1454.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1453 Pre-release	9 Nov 2026	balloonUtil-2.7.1453.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1452 Pre-release	9 Nov 2026	balloonUtil-2.7.1452.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1451 Pre-release	9 Nov 2026	balloonUtil-2.7.1451.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1450 Pre-release	9 Nov 2026	balloonUtil-2.7.1450.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1449 Pre-release	9 Nov 2026	balloonUtil-2.7.1449.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1445 Pre-release	9 Nov 2026	balloonUtil-2.7.1445.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1444 Pre-release	6 Nov 2026	balloonUtil-2.7.1444.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1442 Pre-release	5 Nov 2026	balloonUtil-2.7.1442.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1441 Pre-release	5 Nov 2026	balloonUtil-2.7.1441.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1440 Pre-release	5 Nov 2026	balloonUtil-2.7.1440.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1439 Pre-release	5 Nov 2026	balloonUtil-2.7.1439.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1438 Pre-release	4 Nov 2026	balloonUtil-2.7.1438.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1437 Pre-release	3 Nov 2026	balloonUtil-2.7.1437.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1436 Pre-release	1 Nov 2026	balloonUtil-2.7.1436.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1435 Pre-release	30 Oct 2026	balloonUtil-2.7.1435.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1434 Pre-release	30 Oct 2026	balloonUtil-2.7.1434.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.7.1433 Pre-release	30 Oct 2026	balloonUtil-2.7.1433.zip 32.58 MB, sha256, sha512	README · GitHub release
v2.6.1331 Release	7 Nov 2025	balloonUtil-2.6.1331.zip 36.71 MB, sha256, sha512	README · GitHub release
v2.5.1082 Release	30 May 2024	balloonUtil-2.5.1082.zip 14.8 MB, sha256, sha512	README · GitHub release
v2.4.727 Release	3 Apr 2022	balloonUtil-2.4.727.zip 11.21 MB, sha256, sha512	README · GitHub release
v2.3.491 Release	29 Mar 2021	balloonUtil-2.3.491.zip 8.94 MB, sha256, sha512	README · GitHub release
v2.2.436 Release	8 Feb 2021	balloonUtil-2.2.436.zip 8.93 MB, sha256, sha512	README · GitHub release
v2.0.1797 Release	17 Dec 2019	balloonUtil-2.0.1797.zip 9.61 MB	README · GitHub release